21249670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{733}}^1$

素因数の和:976

約数の個数: 32

約数和(自身を含む): 41432832

約数和(自身を除く): 20183162

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 223, 446, 733, 1115, 1466, 2230, 2899, 3665, 5798, 7330, 9529, 14495, 19058, 28990, 47645, 95290, 163459, 326918, 817295, 1634590, 2124967, 4249934, 10624835, 21249670]

約数ペア:

[(1, 21249670), (2, 10624835), (5, 4249934), (10, 2124967), (13, 1634590), (26, 817295), (65, 326918), (130, 163459), (223, 95290), (446, 47645), (733, 28990), (1115, 19058), (1466, 14495), (2230, 9529), (2899, 7330), (3665, 5798)]