21157596

素因数分解:

$2^2\times 3^2\times {\mathrm{587711}}^1$

素因数の和:587721

約数の個数: 18

約数和(自身を含む): 53481792

約数和(自身を除く): 32324196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 587711, 1175422, 1763133, 2350844, 3526266, 5289399, 7052532, 10578798, 21157596]

約数ペア:

[(1, 21157596), (2, 10578798), (3, 7052532), (4, 5289399), (6, 3526266), (9, 2350844), (12, 1763133), (18, 1175422), (36, 587711)]