21183092

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 46577664

約数和(自身を除く): 25394572

約数列:

[1, 2, 4, 7, 14, 23, 28, 37, 46, 49, 74, 92, 98, 127, 148, 161, 196, 254, 259, 322, 508, 518, 644, 851, 889, 1036, 1127, 1702, 1778, 1813, 2254, 2921, 3404, 3556, 3626, 4508, 4699, 5842, 5957, 6223, 7252, 9398, 11684, 11914, 12446, 18796, 20447, 23828, 24892, 32893, 40894, 41699, 65786, 81788, 83398, 108077, 131572, 143129, 166796, 216154, 230251, 286258, 432308, 460502, 572516, 756539, 921004, 1513078, 3026156, 5295773, 10591546, 21183092]

約数ペア:

[(1, 21183092), (2, 10591546), (4, 5295773), (7, 3026156), (14, 1513078), (23, 921004), (28, 756539), (37, 572516), (46, 460502), (49, 432308), (74, 286258), (92, 230251), (98, 216154), (127, 166796), (148, 143129), (161, 131572), (196, 108077), (254, 83398), (259, 81788), (322, 65786), (508, 41699), (518, 40894), (644, 32893), (851, 24892), (889, 23828), (1036, 20447), (1127, 18796), (1702, 12446), (1778, 11914), (1813, 11684), (2254, 9398), (2921, 7252), (3404, 6223), (3556, 5957), (3626, 5842), (4508, 4699)]