21086026

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{7177}}^1$

素因数の和:7305

約数の個数: 16

約数和(自身を含む): 34368264

約数和(自身を除く): 13282238

約数列:

[1, 2, 13, 26, 113, 226, 1469, 2938, 7177, 14354, 93301, 186602, 811001, 1622002, 10543013, 21086026]

約数ペア:

[(1, 21086026), (2, 10543013), (13, 1622002), (26, 811001), (113, 186602), (226, 93301), (1469, 14354), (2938, 7177)]