21760690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{310867}}^1$

素因数の和:310881

約数の個数: 16

約数和(自身を含む): 44764992

約数和(自身を除く): 23004302

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 310867, 621734, 1554335, 2176069, 3108670, 4352138, 10880345, 21760690]

約数ペア:

[(1, 21760690), (2, 10880345), (5, 4352138), (7, 3108670), (10, 2176069), (14, 1554335), (35, 621734), (70, 310867)]