21182902

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{10313}}^1$

素因数の和:10407

約数の個数: 16

約数和(自身を含む): 34655040

約数和(自身を除く): 13472138

約数列:

[1, 2, 13, 26, 79, 158, 1027, 2054, 10313, 20626, 134069, 268138, 814727, 1629454, 10591451, 21182902]

約数ペア:

[(1, 21182902), (2, 10591451), (13, 1629454), (26, 814727), (79, 268138), (158, 134069), (1027, 20626), (2054, 10313)]