21359373

素因数分解:

$3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{9001}}^1$

素因数の和:9124

約数の個数: 16

約数和(自身を含む): 32839296

約数和(自身を除く): 11479923

約数列:

[1, 3, 7, 21, 113, 339, 791, 2373, 9001, 27003, 63007, 189021, 1017113, 3051339, 7119791, 21359373]

約数ペア:

[(1, 21359373), (3, 7119791), (7, 3051339), (21, 1017113), (113, 189021), (339, 63007), (791, 27003), (2373, 9001)]