21882428

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{233}}^1\times {\mathrm{443}}^1$

素因数の和:733

約数の個数: 24

約数和(自身を含む): 39272688

約数和(自身を除く): 17390260

約数列:

[1, 2, 4, 53, 106, 212, 233, 443, 466, 886, 932, 1772, 12349, 23479, 24698, 46958, 49396, 93916, 103219, 206438, 412876, 5470607, 10941214, 21882428]

約数ペア:

[(1, 21882428), (2, 10941214), (4, 5470607), (53, 412876), (106, 206438), (212, 103219), (233, 93916), (443, 49396), (466, 46958), (886, 24698), (932, 23479), (1772, 12349)]