21275774

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{811}}^1\times {\mathrm{1009}}^1$

素因数の和:1835

約数の個数: 16

約数和(自身を含む): 34445040

約数和(自身を除く): 13169266

約数列:

[1, 2, 13, 26, 811, 1009, 1622, 2018, 10543, 13117, 21086, 26234, 818299, 1636598, 10637887, 21275774]

約数ペア:

[(1, 21275774), (2, 10637887), (13, 1636598), (26, 818299), (811, 26234), (1009, 21086), (1622, 13117), (2018, 10543)]