21165630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{705521}}^1$

素因数の和:705531

約数の個数: 16

約数和(自身を含む): 50797584

約数和(自身を除く): 29631954

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 705521, 1411042, 2116563, 3527605, 4233126, 7055210, 10582815, 21165630]

約数ペア:

[(1, 21165630), (2, 10582815), (3, 7055210), (5, 4233126), (6, 3527605), (10, 2116563), (15, 1411042), (30, 705521)]