21017156916

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{6521}}^1$

素因数の和:6650

約数の個数: 192

約数和(自身を含む): 61955034624

約数和(自身を除く): 40937877708

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 37, 42, 51, 61, 68, 74, 84, 102, 111, 119, 122, 148, 183, 204, 222, 238, 244, 259, 357, 366, 427, 444, 476, 518, 629, 714, 732, 777, 854, 1036, 1037, 1258, 1281, 1428, 1554, 1708, 1887, 2074, 2257, 2516, 2562, 3108, 3111, 3774, 4148, 4403, 4514, 5124, 6222, 6521, 6771, 7259, 7548, 8806, 9028, 12444, 13042, 13209, 13542, 14518, 15799, 17612, 19563, 21777, 26084, 26418, 27084, 29036, 31598, 38369, 39126, 43554, 45647, 47397, 52836, 63196, 76738, 78252, 87108, 91294, 94794, 110857, 115107, 136941, 153476, 182588, 189588, 221714, 230214, 241277, 268583, 273882, 332571, 397781, 443428, 460428, 482554, 537166, 547764, 665142, 723831, 775999, 795562, 805749, 965108, 1074332, 1193343, 1330284, 1447662, 1551998, 1591124, 1611498, 1688939, 2327997, 2386686, 2784467, 2895324, 3103996, 3222996, 3377878, 4101709, 4655994, 4773372, 5066817, 5568934, 6755756, 6762277, 8203418, 8353401, 9311988, 10133634, 11137868, 12305127, 13524554, 14717897, 16406836, 16706802, 20267268, 20286831, 24610254, 27049108, 28711963, 29435794, 33413604, 40573662, 44153691, 47335939, 49220508, 57423926, 58871588, 81147324, 86135889, 88307382, 94671878, 103025279, 114847852, 142007817, 172271778, 176614764, 189343756, 206050558, 250204249, 284015634, 309075837, 344543556, 412101116, 500408498, 568031268, 618151674, 750612747, 1000816996, 1236303348, 1501225494, 1751429743, 3002450988, 3502859486, 5254289229, 7005718972, 10508578458, 21017156916]

約数ペア:

[(1, 21017156916), (2, 10508578458), (3, 7005718972), (4, 5254289229), (6, 3502859486), (7, 3002450988), (12, 1751429743), (14, 1501225494), (17, 1236303348), (21, 1000816996), (28, 750612747), (34, 618151674), (37, 568031268), (42, 500408498), (51, 412101116), (61, 344543556), (68, 309075837), (74, 284015634), (84, 250204249), (102, 206050558), (111, 189343756), (119, 176614764), (122, 172271778), (148, 142007817), (183, 114847852), (204, 103025279), (222, 94671878), (238, 88307382), (244, 86135889), (259, 81147324), (357, 58871588), (366, 57423926), (427, 49220508), (444, 47335939), (476, 44153691), (518, 40573662), (629, 33413604), (714, 29435794), (732, 28711963), (777, 27049108), (854, 24610254), (1036, 20286831), (1037, 20267268), (1258, 16706802), (1281, 16406836), (1428, 14717897), (1554, 13524554), (1708, 12305127), (1887, 11137868), (2074, 10133634), (2257, 9311988), (2516, 8353401), (2562, 8203418), (3108, 6762277), (3111, 6755756), (3774, 5568934), (4148, 5066817), (4403, 4773372), (4514, 4655994), (5124, 4101709), (6222, 3377878), (6521, 3222996), (6771, 3103996), (7259, 2895324), (7548, 2784467), (8806, 2386686), (9028, 2327997), (12444, 1688939), (13042, 1611498), (13209, 1591124), (13542, 1551998), (14518, 1447662), (15799, 1330284), (17612, 1193343), (19563, 1074332), (21777, 965108), (26084, 805749), (26418, 795562), (27084, 775999), (29036, 723831), (31598, 665142), (38369, 547764), (39126, 537166), (43554, 482554), (45647, 460428), (47397, 443428), (52836, 397781), (63196, 332571), (76738, 273882), (78252, 268583), (87108, 241277), (91294, 230214), (94794, 221714), (110857, 189588), (115107, 182588), (136941, 153476)]