21231690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{707723}}^1$

素因数の和:707733

約数の個数: 16

約数和(自身を含む): 50956128

約数和(自身を除く): 29724438

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 707723, 1415446, 2123169, 3538615, 4246338, 7077230, 10615845, 21231690]

約数ペア:

[(1, 21231690), (2, 10615845), (3, 7077230), (5, 4246338), (6, 3538615), (10, 2123169), (15, 1415446), (30, 707723)]