21957702

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{281509}}^1$

素因数の和:281527

約数の個数: 16

約数和(自身を含む): 47293680

約数和(自身を除く): 25335978

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 281509, 563018, 844527, 1689054, 3659617, 7319234, 10978851, 21957702]

約数ペア:

[(1, 21957702), (2, 10978851), (3, 7319234), (6, 3659617), (13, 1689054), (26, 844527), (39, 563018), (78, 281509)]