21274510

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{281}}^1$

素因数の和:468

約数の個数: 32

約数和(自身を含む): 39349152

約数和(自身を除く): 18074642

約数列:

[1, 2, 5, 10, 67, 113, 134, 226, 281, 335, 562, 565, 670, 1130, 1405, 2810, 7571, 15142, 18827, 31753, 37654, 37855, 63506, 75710, 94135, 158765, 188270, 317530, 2127451, 4254902, 10637255, 21274510]

約数ペア:

[(1, 21274510), (2, 10637255), (5, 4254902), (10, 2127451), (67, 317530), (113, 188270), (134, 158765), (226, 94135), (281, 75710), (335, 63506), (562, 37855), (565, 37654), (670, 31753), (1130, 18827), (1405, 15142), (2810, 7571)]