21099812

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{46681}}^1$

素因数の和:46798

約数の個数: 12

約数和(自身を含む): 37252236

約数和(自身を除く): 16152424

約数列:

[1, 2, 4, 113, 226, 452, 46681, 93362, 186724, 5274953, 10549906, 21099812]

約数ペア:

[(1, 21099812), (2, 10549906), (4, 5274953), (113, 186724), (226, 93362), (452, 46681)]