21803206

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{1423}}^1$

素因数の和:1635

約数の個数: 16

約数和(自身を含む): 33629184

約数和(自身を除く): 11825978

約数列:

[1, 2, 47, 94, 163, 326, 1423, 2846, 7661, 15322, 66881, 133762, 231949, 463898, 10901603, 21803206]

約数ペア:

[(1, 21803206), (2, 10901603), (47, 463898), (94, 231949), (163, 133762), (326, 66881), (1423, 15322), (2846, 7661)]