21271710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{709057}}^1$

素因数の和:709067

約数の個数: 16

約数和(自身を含む): 51052176

約数和(自身を除く): 29780466

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 709057, 1418114, 2127171, 3545285, 4254342, 7090570, 10635855, 21271710]

約数ペア:

[(1, 21271710), (2, 10635855), (3, 7090570), (5, 4254342), (6, 3545285), (10, 2127171), (15, 1418114), (30, 709057)]