21543472

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{241}}^1$

素因数の和:437

約数の個数: 40

約数和(自身を含む): 43331552

約数和(自身を除く): 21788080

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 151, 241, 296, 302, 482, 592, 604, 964, 1208, 1928, 2416, 3856, 5587, 8917, 11174, 17834, 22348, 35668, 36391, 44696, 71336, 72782, 89392, 142672, 145564, 291128, 582256, 1346467, 2692934, 5385868, 10771736, 21543472]

約数ペア:

[(1, 21543472), (2, 10771736), (4, 5385868), (8, 2692934), (16, 1346467), (37, 582256), (74, 291128), (148, 145564), (151, 142672), (241, 89392), (296, 72782), (302, 71336), (482, 44696), (592, 36391), (604, 35668), (964, 22348), (1208, 17834), (1928, 11174), (2416, 8917), (3856, 5587)]