21295930

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1747}}^1$

素因数の和:1830

約数の個数: 32

約数和(自身を含む): 40777344

約数和(自身を除く): 19481414

約数列:

[1, 2, 5, 10, 23, 46, 53, 106, 115, 230, 265, 530, 1219, 1747, 2438, 3494, 6095, 8735, 12190, 17470, 40181, 80362, 92591, 185182, 200905, 401810, 462955, 925910, 2129593, 4259186, 10647965, 21295930]

約数ペア:

[(1, 21295930), (2, 10647965), (5, 4259186), (10, 2129593), (23, 925910), (46, 462955), (53, 401810), (106, 200905), (115, 185182), (230, 92591), (265, 80362), (530, 40181), (1219, 17470), (1747, 12190), (2438, 8735), (3494, 6095)]