21094060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81131}}^1$

素因数の和:81153

約数の個数: 24

約数和(自身を含む): 47705616

約数和(自身を除く): 26611556

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 81131, 162262, 324524, 405655, 811310, 1054703, 1622620, 2109406, 4218812, 5273515, 10547030, 21094060]

約数ペア:

[(1, 21094060), (2, 10547030), (4, 5273515), (5, 4218812), (10, 2109406), (13, 1622620), (20, 1054703), (26, 811310), (52, 405655), (65, 324524), (130, 162262), (260, 81131)]