21827858

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{10627}}^1$

素因数の和:10721

約数の個数: 16

約数和(自身を含む): 35710080

約数和(自身を除く): 13882222

約数列:

[1, 2, 13, 26, 79, 158, 1027, 2054, 10627, 21254, 138151, 276302, 839533, 1679066, 10913929, 21827858]

約数ペア:

[(1, 21827858), (2, 10913929), (13, 1679066), (26, 839533), (79, 276302), (158, 138151), (1027, 21254), (2054, 10627)]