21177773072

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{1879}}^1\times {\mathrm{13291}}^1$

素因数の和:15231

約数の個数: 40

約数和(自身を含む): 41831519040

約数和(自身を除く): 20653745968

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 1879, 3758, 7516, 13291, 15032, 26582, 30064, 53164, 99587, 106328, 199174, 212656, 398348, 704423, 796696, 1408846, 1593392, 2817692, 5635384, 11270768, 24973789, 49947578, 99895156, 199790312, 399580624, 1323610817, 2647221634, 5294443268, 10588886536, 21177773072]

約数ペア:

[(1, 21177773072), (2, 10588886536), (4, 5294443268), (8, 2647221634), (16, 1323610817), (53, 399580624), (106, 199790312), (212, 99895156), (424, 49947578), (848, 24973789), (1879, 11270768), (3758, 5635384), (7516, 2817692), (13291, 1593392), (15032, 1408846), (26582, 796696), (30064, 704423), (53164, 398348), (99587, 212656), (106328, 199174)]