21569090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1787}}^1$

素因数の和:1882

約数の個数: 32

約数和(自身を含む): 41710464

約数和(自身を除く): 20141374

約数列:

[1, 2, 5, 10, 17, 34, 71, 85, 142, 170, 355, 710, 1207, 1787, 2414, 3574, 6035, 8935, 12070, 17870, 30379, 60758, 126877, 151895, 253754, 303790, 634385, 1268770, 2156909, 4313818, 10784545, 21569090]

約数ペア:

[(1, 21569090), (2, 10784545), (5, 4313818), (10, 2156909), (17, 1268770), (34, 634385), (71, 303790), (85, 253754), (142, 151895), (170, 126877), (355, 60758), (710, 30379), (1207, 17870), (1787, 12070), (2414, 8935), (3574, 6035)]