21219207048

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{131041}}^1$

素因数の和:131239

約数の個数: 96

約数和(自身を含む): 62247570840

約数和(自身を除く): 41028363792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 173, 234, 312, 346, 468, 519, 692, 936, 1038, 1384, 1557, 2076, 2249, 3114, 4152, 4498, 6228, 6747, 8996, 12456, 13494, 17992, 20241, 26988, 40482, 53976, 80964, 131041, 161928, 262082, 393123, 524164, 786246, 1048328, 1179369, 1572492, 1703533, 2358738, 3144984, 3407066, 4717476, 5110599, 6814132, 9434952, 10221198, 13628264, 15331797, 20442396, 22670093, 30663594, 40884792, 45340186, 61327188, 68010279, 90680372, 122654376, 136020558, 181360744, 204030837, 272041116, 294711209, 408061674, 544082232, 589422418, 816123348, 884133627, 1178844836, 1632246696, 1768267254, 2357689672, 2652400881, 3536534508, 5304801762, 7073069016, 10609603524, 21219207048]

約数ペア:

[(1, 21219207048), (2, 10609603524), (3, 7073069016), (4, 5304801762), (6, 3536534508), (8, 2652400881), (9, 2357689672), (12, 1768267254), (13, 1632246696), (18, 1178844836), (24, 884133627), (26, 816123348), (36, 589422418), (39, 544082232), (52, 408061674), (72, 294711209), (78, 272041116), (104, 204030837), (117, 181360744), (156, 136020558), (173, 122654376), (234, 90680372), (312, 68010279), (346, 61327188), (468, 45340186), (519, 40884792), (692, 30663594), (936, 22670093), (1038, 20442396), (1384, 15331797), (1557, 13628264), (2076, 10221198), (2249, 9434952), (3114, 6814132), (4152, 5110599), (4498, 4717476), (6228, 3407066), (6747, 3144984), (8996, 2358738), (12456, 1703533), (13494, 1572492), (17992, 1179369), (20241, 1048328), (26988, 786246), (40482, 524164), (53976, 393123), (80964, 262082), (131041, 161928)]