21587739576

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:407

約数の個数: 256

約数和(自身を含む): 61854105600

約数和(自身を除く): 40266366024

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 47, 52, 62, 78, 93, 94, 104, 124, 141, 156, 169, 186, 188, 248, 281, 282, 312, 338, 372, 376, 403, 507, 562, 564, 611, 676, 744, 806, 843, 1014, 1124, 1128, 1209, 1222, 1352, 1457, 1612, 1686, 1833, 2028, 2197, 2248, 2418, 2444, 2914, 3224, 3372, 3653, 3666, 4056, 4371, 4394, 4836, 4888, 5239, 5828, 6591, 6744, 7306, 7332, 7943, 8711, 8742, 8788, 9672, 10478, 10959, 11656, 13182, 13207, 14612, 14664, 15717, 15886, 17422, 17484, 17576, 18941, 20956, 21918, 23829, 26133, 26364, 26414, 29224, 31434, 31772, 34844, 34968, 37882, 39621, 41912, 43836, 47489, 47658, 52266, 52728, 52828, 56823, 62868, 63544, 68107, 69688, 75764, 79242, 87672, 94978, 95316, 103259, 104532, 105656, 113243, 113646, 125736, 136214, 142467, 151528, 158484, 171691, 189956, 190632, 204321, 206518, 209064, 226486, 227292, 246233, 272428, 284934, 309777, 316968, 339729, 343382, 379912, 408642, 409417, 413036, 452972, 454584, 492466, 515073, 544856, 569868, 617357, 619554, 679458, 686764, 738699, 817284, 818834, 826072, 905944, 984932, 1030146, 1139736, 1228251, 1234714, 1239108, 1358916, 1373528, 1472159, 1477398, 1634568, 1637668, 1852071, 1969864, 2060292, 2231983, 2456502, 2469428, 2478216, 2717832, 2944318, 2954796, 3201029, 3275336, 3704142, 4120584, 4416477, 4463966, 4913004, 4938856, 5322421, 5888636, 5909592, 6402058, 6695949, 7408284, 8832954, 8927932, 9603087, 9826008, 10644842, 11777272, 12804116, 13391898, 14816568, 15967263, 17665908, 17855864, 19138067, 19206174, 21289684, 25608232, 26783796, 29015779, 31934526, 35331816, 38276134, 38412348, 42579368, 53567592, 57414201, 58031558, 63869052, 69191473, 76552268, 76824696, 87047337, 114828402, 116063116, 127738104, 138382946, 153104536, 174094674, 207574419, 229656804, 232126232, 276765892, 348189348, 415148838, 459313608, 553531784, 696378696, 830297676, 899489149, 1660595352, 1798978298, 2698467447, 3597956596, 5396934894, 7195913192, 10793869788, 21587739576]

約数ペア:

[(1, 21587739576), (2, 10793869788), (3, 7195913192), (4, 5396934894), (6, 3597956596), (8, 2698467447), (12, 1798978298), (13, 1660595352), (24, 899489149), (26, 830297676), (31, 696378696), (39, 553531784), (47, 459313608), (52, 415148838), (62, 348189348), (78, 276765892), (93, 232126232), (94, 229656804), (104, 207574419), (124, 174094674), (141, 153104536), (156, 138382946), (169, 127738104), (186, 116063116), (188, 114828402), (248, 87047337), (281, 76824696), (282, 76552268), (312, 69191473), (338, 63869052), (372, 58031558), (376, 57414201), (403, 53567592), (507, 42579368), (562, 38412348), (564, 38276134), (611, 35331816), (676, 31934526), (744, 29015779), (806, 26783796), (843, 25608232), (1014, 21289684), (1124, 19206174), (1128, 19138067), (1209, 17855864), (1222, 17665908), (1352, 15967263), (1457, 14816568), (1612, 13391898), (1686, 12804116), (1833, 11777272), (2028, 10644842), (2197, 9826008), (2248, 9603087), (2418, 8927932), (2444, 8832954), (2914, 7408284), (3224, 6695949), (3372, 6402058), (3653, 5909592), (3666, 5888636), (4056, 5322421), (4371, 4938856), (4394, 4913004), (4836, 4463966), (4888, 4416477), (5239, 4120584), (5828, 3704142), (6591, 3275336), (6744, 3201029), (7306, 2954796), (7332, 2944318), (7943, 2717832), (8711, 2478216), (8742, 2469428), (8788, 2456502), (9672, 2231983), (10478, 2060292), (10959, 1969864), (11656, 1852071), (13182, 1637668), (13207, 1634568), (14612, 1477398), (14664, 1472159), (15717, 1373528), (15886, 1358916), (17422, 1239108), (17484, 1234714), (17576, 1228251), (18941, 1139736), (20956, 1030146), (21918, 984932), (23829, 905944), (26133, 826072), (26364, 818834), (26414, 817284), (29224, 738699), (31434, 686764), (31772, 679458), (34844, 619554), (34968, 617357), (37882, 569868), (39621, 544856), (41912, 515073), (43836, 492466), (47489, 454584), (47658, 452972), (52266, 413036), (52728, 409417), (52828, 408642), (56823, 379912), (62868, 343382), (63544, 339729), (68107, 316968), (69688, 309777), (75764, 284934), (79242, 272428), (87672, 246233), (94978, 227292), (95316, 226486), (103259, 209064), (104532, 206518), (105656, 204321), (113243, 190632), (113646, 189956), (125736, 171691), (136214, 158484), (142467, 151528)]