21468898

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{51361}}^1$

素因数の和:51393

約数の個数: 16

約数和(自身を含む): 36980640

約数和(自身を除く): 15511742

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 51361, 102722, 564971, 975859, 1129942, 1951718, 10734449, 21468898]

約数ペア:

[(1, 21468898), (2, 10734449), (11, 1951718), (19, 1129942), (22, 975859), (38, 564971), (209, 102722), (418, 51361)]