21194238

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1667}}^1$

素因数の和:1848

約数の個数: 32

約数和(自身を含む): 45956736

約数和(自身を除く): 24762498

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 163, 326, 489, 978, 1667, 2119, 3334, 4238, 5001, 6357, 10002, 12714, 21671, 43342, 65013, 130026, 271721, 543442, 815163, 1630326, 3532373, 7064746, 10597119, 21194238]

約数ペア:

[(1, 21194238), (2, 10597119), (3, 7064746), (6, 3532373), (13, 1630326), (26, 815163), (39, 543442), (78, 271721), (163, 130026), (326, 65013), (489, 43342), (978, 21671), (1667, 12714), (2119, 10002), (3334, 6357), (4238, 5001)]