21802154

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{2423}}^1$

素因数の和:2845

約数の個数: 16

約数和(自身を含む): 35778240

約数和(自身を除く): 13976086

約数列:

[1, 2, 11, 22, 409, 818, 2423, 4499, 4846, 8998, 26653, 53306, 991007, 1982014, 10901077, 21802154]

約数ペア:

[(1, 21802154), (2, 10901077), (11, 1982014), (22, 991007), (409, 53306), (818, 26653), (2423, 8998), (4499, 4846)]