21090914

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47717}}^1$

素因数の和:47749

約数の個数: 16

約数和(自身を含む): 36074808

約数和(自身を除く): 14983894

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 47717, 95434, 620321, 811189, 1240642, 1622378, 10545457, 21090914]

約数ペア:

[(1, 21090914), (2, 10545457), (13, 1622378), (17, 1240642), (26, 811189), (34, 620321), (221, 95434), (442, 47717)]