21250290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{708343}}^1$

素因数の和:708353

約数の個数: 16

約数和(自身を含む): 51000768

約数和(自身を除く): 29750478

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 708343, 1416686, 2125029, 3541715, 4250058, 7083430, 10625145, 21250290]

約数ペア:

[(1, 21250290), (2, 10625145), (3, 7083430), (5, 4250058), (6, 3541715), (10, 2125029), (15, 1416686), (30, 708343)]