21000279762

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{739}}^1$

素因数の和:902

約数の個数: 288

約数和(自身を含む): 60405134400

約数和(自身を除く): 39404854638

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 29, 33, 42, 49, 58, 63, 66, 77, 87, 98, 99, 101, 126, 147, 154, 174, 198, 202, 203, 231, 261, 294, 303, 319, 406, 441, 462, 522, 539, 606, 609, 638, 693, 707, 739, 882, 909, 957, 1078, 1111, 1218, 1386, 1414, 1421, 1478, 1617, 1818, 1827, 1914, 2121, 2217, 2222, 2233, 2842, 2871, 2929, 3234, 3333, 3654, 4242, 4263, 4434, 4466, 4851, 4949, 5173, 5742, 5858, 6363, 6651, 6666, 6699, 7777, 8129, 8526, 8787, 9702, 9898, 9999, 10346, 12726, 12789, 13302, 13398, 14847, 15519, 15554, 15631, 16258, 17574, 19998, 20097, 20503, 21431, 23331, 24387, 25578, 26361, 29694, 31038, 31262, 32219, 36211, 40194, 41006, 42862, 44541, 46557, 46662, 46893, 48774, 52722, 54439, 56903, 61509, 64293, 64438, 69993, 72422, 73161, 74639, 89082, 93114, 93786, 96657, 108633, 108878, 113806, 123018, 128586, 139986, 140679, 143521, 146322, 149278, 150017, 163317, 170709, 184527, 192879, 193314, 217266, 223917, 225533, 235741, 281358, 287042, 289971, 300034, 325899, 326634, 341418, 369054, 385758, 398321, 430563, 447834, 450051, 451066, 471482, 489951, 512127, 522473, 579942, 651798, 671751, 676599, 707223, 796642, 821029, 861126, 900102, 979902, 1024254, 1044946, 1050119, 1194963, 1291689, 1343502, 1350153, 1353198, 1414446, 1567419, 1578731, 1642058, 1650187, 2029797, 2100238, 2121669, 2164531, 2389926, 2463087, 2583378, 2700306, 3134838, 3150357, 3157462, 3300374, 3584889, 3657311, 4059594, 4243338, 4329062, 4702257, 4736193, 4926174, 4950561, 5747203, 6300714, 6493593, 7169778, 7314622, 7389261, 9404514, 9451071, 9472386, 9901122, 10971933, 11494406, 11551309, 12987186, 14208579, 14778522, 14851683, 15151717, 17241609, 18902142, 19480779, 21943866, 23102618, 23809841, 28417158, 29703366, 30303434, 32915799, 34483218, 34653927, 38961558, 40230421, 45455151, 47619682, 51724827, 65831598, 69307854, 71429523, 80460842, 90910302, 103449654, 103961781, 106062019, 120691263, 136365453, 142859046, 166668887, 207923562, 212124038, 214288569, 241382526, 272730906, 318186057, 333337774, 362073789, 428577138, 500006661, 636372114, 724147578, 954558171, 1000013322, 1166682209, 1500019983, 1909116342, 2333364418, 3000039966, 3500046627, 7000093254, 10500139881, 21000279762]

約数ペア:

[(1, 21000279762), (2, 10500139881), (3, 7000093254), (6, 3500046627), (7, 3000039966), (9, 2333364418), (11, 1909116342), (14, 1500019983), (18, 1166682209), (21, 1000013322), (22, 954558171), (29, 724147578), (33, 636372114), (42, 500006661), (49, 428577138), (58, 362073789), (63, 333337774), (66, 318186057), (77, 272730906), (87, 241382526), (98, 214288569), (99, 212124038), (101, 207923562), (126, 166668887), (147, 142859046), (154, 136365453), (174, 120691263), (198, 106062019), (202, 103961781), (203, 103449654), (231, 90910302), (261, 80460842), (294, 71429523), (303, 69307854), (319, 65831598), (406, 51724827), (441, 47619682), (462, 45455151), (522, 40230421), (539, 38961558), (606, 34653927), (609, 34483218), (638, 32915799), (693, 30303434), (707, 29703366), (739, 28417158), (882, 23809841), (909, 23102618), (957, 21943866), (1078, 19480779), (1111, 18902142), (1218, 17241609), (1386, 15151717), (1414, 14851683), (1421, 14778522), (1478, 14208579), (1617, 12987186), (1818, 11551309), (1827, 11494406), (1914, 10971933), (2121, 9901122), (2217, 9472386), (2222, 9451071), (2233, 9404514), (2842, 7389261), (2871, 7314622), (2929, 7169778), (3234, 6493593), (3333, 6300714), (3654, 5747203), (4242, 4950561), (4263, 4926174), (4434, 4736193), (4466, 4702257), (4851, 4329062), (4949, 4243338), (5173, 4059594), (5742, 3657311), (5858, 3584889), (6363, 3300374), (6651, 3157462), (6666, 3150357), (6699, 3134838), (7777, 2700306), (8129, 2583378), (8526, 2463087), (8787, 2389926), (9702, 2164531), (9898, 2121669), (9999, 2100238), (10346, 2029797), (12726, 1650187), (12789, 1642058), (13302, 1578731), (13398, 1567419), (14847, 1414446), (15519, 1353198), (15554, 1350153), (15631, 1343502), (16258, 1291689), (17574, 1194963), (19998, 1050119), (20097, 1044946), (20503, 1024254), (21431, 979902), (23331, 900102), (24387, 861126), (25578, 821029), (26361, 796642), (29694, 707223), (31038, 676599), (31262, 671751), (32219, 651798), (36211, 579942), (40194, 522473), (41006, 512127), (42862, 489951), (44541, 471482), (46557, 451066), (46662, 450051), (46893, 447834), (48774, 430563), (52722, 398321), (54439, 385758), (56903, 369054), (61509, 341418), (64293, 326634), (64438, 325899), (69993, 300034), (72422, 289971), (73161, 287042), (74639, 281358), (89082, 235741), (93114, 225533), (93786, 223917), (96657, 217266), (108633, 193314), (108878, 192879), (113806, 184527), (123018, 170709), (128586, 163317), (139986, 150017), (140679, 149278), (143521, 146322)]