21069544

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{461}}^1$

素因数の和:693

約数の個数: 32

約数和(自身を含む): 41164200

約数和(自身を除く): 20094656

約数列:

[1, 2, 4, 8, 29, 58, 116, 197, 232, 394, 461, 788, 922, 1576, 1844, 3688, 5713, 11426, 13369, 22852, 26738, 45704, 53476, 90817, 106952, 181634, 363268, 726536, 2633693, 5267386, 10534772, 21069544]

約数ペア:

[(1, 21069544), (2, 10534772), (4, 5267386), (8, 2633693), (29, 726536), (58, 363268), (116, 181634), (197, 106952), (232, 90817), (394, 53476), (461, 45704), (788, 26738), (922, 22852), (1576, 13369), (1844, 11426), (3688, 5713)]