21221898

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{186157}}^1$

素因数の和:186181

約数の個数: 16

約数和(自身を含む): 44677920

約数和(自身を除く): 23456022

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 186157, 372314, 558471, 1116942, 3536983, 7073966, 10610949, 21221898]

約数ペア:

[(1, 21221898), (2, 10610949), (3, 7073966), (6, 3536983), (19, 1116942), (38, 558471), (57, 372314), (114, 186157)]