21790168428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{677}}^1\times {\mathrm{383171}}^1$

素因数の和:383862

約数の個数: 48

約数和(自身を含む): 58193097984

約数和(自身を除く): 36402929556

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 677, 1354, 2031, 2708, 4062, 4739, 8124, 9478, 14217, 18956, 28434, 56868, 383171, 766342, 1149513, 1532684, 2299026, 2682197, 4598052, 5364394, 8046591, 10728788, 16093182, 32186364, 259406767, 518813534, 778220301, 1037627068, 1556440602, 1815847369, 3112881204, 3631694738, 5447542107, 7263389476, 10895084214, 21790168428]

約数ペア:

[(1, 21790168428), (2, 10895084214), (3, 7263389476), (4, 5447542107), (6, 3631694738), (7, 3112881204), (12, 1815847369), (14, 1556440602), (21, 1037627068), (28, 778220301), (42, 518813534), (84, 259406767), (677, 32186364), (1354, 16093182), (2031, 10728788), (2708, 8046591), (4062, 5364394), (4739, 4598052), (8124, 2682197), (9478, 2299026), (14217, 1532684), (18956, 1149513), (28434, 766342), (56868, 383171)]