21859178

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{277}}^1$

素因数の和:518

約数の個数: 32

約数和(自身を含む): 38190528

約数和(自身を除く): 16331350

約数列:

[1, 2, 11, 17, 22, 34, 187, 211, 277, 374, 422, 554, 2321, 3047, 3587, 4642, 4709, 6094, 7174, 9418, 39457, 51799, 58447, 78914, 103598, 116894, 642917, 993599, 1285834, 1987198, 10929589, 21859178]

約数ペア:

[(1, 21859178), (2, 10929589), (11, 1987198), (17, 1285834), (22, 993599), (34, 642917), (187, 116894), (211, 103598), (277, 78914), (374, 58447), (422, 51799), (554, 39457), (2321, 9418), (3047, 7174), (3587, 6094), (4642, 4709)]