21874540

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{9679}}^1$

素因数の和:9801

約数の個数: 24

約数和(自身を含む): 46347840

約数和(自身を除く): 24473300

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 9679, 19358, 38716, 48395, 96790, 193580, 1093727, 2187454, 4374908, 5468635, 10937270, 21874540]

約数ペア:

[(1, 21874540), (2, 10937270), (4, 5468635), (5, 4374908), (10, 2187454), (20, 1093727), (113, 193580), (226, 96790), (452, 48395), (565, 38716), (1130, 19358), (2260, 9679)]