21106670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{162359}}^1$

素因数の和:162379

約数の個数: 16

約数和(自身を含む): 40914720

約数和(自身を除く): 19808050

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 162359, 324718, 811795, 1623590, 2110667, 4221334, 10553335, 21106670]

約数ペア:

[(1, 21106670), (2, 10553335), (5, 4221334), (10, 2110667), (13, 1623590), (26, 811795), (65, 324718), (130, 162359)]