21513864008

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:540

約数の個数: 256

約数和(自身を含む): 54258892800

約数和(自身を除く): 32745028792

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 37, 38, 52, 56, 74, 76, 91, 104, 127, 133, 148, 152, 182, 247, 254, 259, 266, 296, 331, 364, 481, 494, 508, 518, 532, 662, 703, 728, 889, 962, 988, 1016, 1036, 1064, 1324, 1406, 1651, 1729, 1778, 1924, 1976, 2072, 2317, 2413, 2648, 2812, 3302, 3367, 3458, 3556, 3848, 4303, 4634, 4699, 4826, 4921, 5624, 6289, 6604, 6734, 6916, 7112, 8606, 9139, 9268, 9398, 9652, 9842, 11557, 12247, 12578, 13208, 13468, 13832, 16891, 17212, 18278, 18536, 18796, 19304, 19684, 23114, 24494, 25156, 26936, 30121, 31369, 32893, 33782, 34424, 36556, 37592, 39368, 42037, 44023, 46228, 48988, 50312, 60242, 61087, 62738, 63973, 65786, 67564, 73112, 81757, 84074, 85729, 88046, 89281, 92456, 97976, 120484, 122174, 125476, 127946, 131572, 135128, 159211, 163514, 168148, 171458, 176092, 178562, 219583, 232693, 240968, 244348, 250952, 255892, 263144, 294259, 318422, 327028, 336296, 342916, 352184, 357124, 427609, 439166, 465386, 488696, 511784, 546481, 572299, 588518, 624967, 636844, 654056, 685832, 714248, 798703, 855218, 878332, 930772, 1092962, 1114477, 1144598, 1160653, 1177036, 1249934, 1273688, 1555369, 1597406, 1628851, 1710436, 1756664, 1861544, 2185924, 2228954, 2289196, 2321306, 2354072, 2499868, 3025009, 3110738, 3194812, 3257702, 3420872, 3825367, 4371848, 4457908, 4578392, 4642612, 4999736, 5590921, 6050018, 6221476, 6389624, 6515404, 7650734, 8124571, 8915816, 9285224, 10383139, 10887583, 11181842, 12100036, 12442952, 13030808, 15301468, 16249142, 20219797, 20766278, 21175063, 21775166, 22363684, 24200072, 29552011, 30602936, 32498284, 40439594, 41532556, 42350126, 43550332, 44727368, 59104022, 64996568, 72681973, 80879188, 83065112, 84700252, 87100664, 118208044, 141538579, 145363946, 161758376, 169400504, 206864077, 236416088, 283077158, 290727892, 384176143, 413728154, 566154316, 581455784, 768352286, 827456308, 1132308632, 1536704572, 1654912616, 2689233001, 3073409144, 5378466002, 10756932004, 21513864008]

約数ペア:

[(1, 21513864008), (2, 10756932004), (4, 5378466002), (7, 3073409144), (8, 2689233001), (13, 1654912616), (14, 1536704572), (19, 1132308632), (26, 827456308), (28, 768352286), (37, 581455784), (38, 566154316), (52, 413728154), (56, 384176143), (74, 290727892), (76, 283077158), (91, 236416088), (104, 206864077), (127, 169400504), (133, 161758376), (148, 145363946), (152, 141538579), (182, 118208044), (247, 87100664), (254, 84700252), (259, 83065112), (266, 80879188), (296, 72681973), (331, 64996568), (364, 59104022), (481, 44727368), (494, 43550332), (508, 42350126), (518, 41532556), (532, 40439594), (662, 32498284), (703, 30602936), (728, 29552011), (889, 24200072), (962, 22363684), (988, 21775166), (1016, 21175063), (1036, 20766278), (1064, 20219797), (1324, 16249142), (1406, 15301468), (1651, 13030808), (1729, 12442952), (1778, 12100036), (1924, 11181842), (1976, 10887583), (2072, 10383139), (2317, 9285224), (2413, 8915816), (2648, 8124571), (2812, 7650734), (3302, 6515404), (3367, 6389624), (3458, 6221476), (3556, 6050018), (3848, 5590921), (4303, 4999736), (4634, 4642612), (4699, 4578392), (4826, 4457908), (4921, 4371848), (5624, 3825367), (6289, 3420872), (6604, 3257702), (6734, 3194812), (6916, 3110738), (7112, 3025009), (8606, 2499868), (9139, 2354072), (9268, 2321306), (9398, 2289196), (9652, 2228954), (9842, 2185924), (11557, 1861544), (12247, 1756664), (12578, 1710436), (13208, 1628851), (13468, 1597406), (13832, 1555369), (16891, 1273688), (17212, 1249934), (18278, 1177036), (18536, 1160653), (18796, 1144598), (19304, 1114477), (19684, 1092962), (23114, 930772), (24494, 878332), (25156, 855218), (26936, 798703), (30121, 714248), (31369, 685832), (32893, 654056), (33782, 636844), (34424, 624967), (36556, 588518), (37592, 572299), (39368, 546481), (42037, 511784), (44023, 488696), (46228, 465386), (48988, 439166), (50312, 427609), (60242, 357124), (61087, 352184), (62738, 342916), (63973, 336296), (65786, 327028), (67564, 318422), (73112, 294259), (81757, 263144), (84074, 255892), (85729, 250952), (88046, 244348), (89281, 240968), (92456, 232693), (97976, 219583), (120484, 178562), (122174, 176092), (125476, 171458), (127946, 168148), (131572, 163514), (135128, 159211)]