21118199952

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{16411}}^1$

素因数の和:16541

約数の個数: 160

約数和(自身を含む): 61541061120

約数和(自身を除く): 40422861168

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 19, 24, 34, 38, 48, 51, 57, 68, 76, 83, 102, 114, 136, 152, 166, 204, 228, 249, 272, 304, 323, 332, 408, 456, 498, 646, 664, 816, 912, 969, 996, 1292, 1328, 1411, 1577, 1938, 1992, 2584, 2822, 3154, 3876, 3984, 4233, 4731, 5168, 5644, 6308, 7752, 8466, 9462, 11288, 12616, 15504, 16411, 16932, 18924, 22576, 25232, 26809, 32822, 33864, 37848, 49233, 53618, 65644, 67728, 75696, 80427, 98466, 107236, 131288, 160854, 196932, 214472, 262576, 278987, 311809, 321708, 393864, 428944, 557974, 623618, 643416, 787728, 836961, 935427, 1115948, 1247236, 1286832, 1362113, 1673922, 1870854, 2231896, 2494472, 2724226, 3347844, 3741708, 4086339, 4463792, 4988944, 5300753, 5448452, 6695688, 7483416, 8172678, 10601506, 10896904, 13391376, 14966832, 15902259, 16345356, 21203012, 21793808, 23155921, 25880147, 31804518, 32690712, 42406024, 46311842, 51760294, 63609036, 65381424, 69467763, 77640441, 84812048, 92623684, 103520588, 127218072, 138935526, 155280882, 185247368, 207041176, 254436144, 277871052, 310561764, 370494736, 414082352, 439962499, 555742104, 621123528, 879924998, 1111484208, 1242247056, 1319887497, 1759849996, 2639774994, 3519699992, 5279549988, 7039399984, 10559099976, 21118199952]

約数ペア:

[(1, 21118199952), (2, 10559099976), (3, 7039399984), (4, 5279549988), (6, 3519699992), (8, 2639774994), (12, 1759849996), (16, 1319887497), (17, 1242247056), (19, 1111484208), (24, 879924998), (34, 621123528), (38, 555742104), (48, 439962499), (51, 414082352), (57, 370494736), (68, 310561764), (76, 277871052), (83, 254436144), (102, 207041176), (114, 185247368), (136, 155280882), (152, 138935526), (166, 127218072), (204, 103520588), (228, 92623684), (249, 84812048), (272, 77640441), (304, 69467763), (323, 65381424), (332, 63609036), (408, 51760294), (456, 46311842), (498, 42406024), (646, 32690712), (664, 31804518), (816, 25880147), (912, 23155921), (969, 21793808), (996, 21203012), (1292, 16345356), (1328, 15902259), (1411, 14966832), (1577, 13391376), (1938, 10896904), (1992, 10601506), (2584, 8172678), (2822, 7483416), (3154, 6695688), (3876, 5448452), (3984, 5300753), (4233, 4988944), (4731, 4463792), (5168, 4086339), (5644, 3741708), (6308, 3347844), (7752, 2724226), (8466, 2494472), (9462, 2231896), (11288, 1870854), (12616, 1673922), (15504, 1362113), (16411, 1286832), (16932, 1247236), (18924, 1115948), (22576, 935427), (25232, 836961), (26809, 787728), (32822, 643416), (33864, 623618), (37848, 557974), (49233, 428944), (53618, 393864), (65644, 321708), (67728, 311809), (75696, 278987), (80427, 262576), (98466, 214472), (107236, 196932), (131288, 160854)]