21629937

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:333

約数の個数: 32

約数和(自身を含む): 34007040

約数和(自身を除く): 12377103

約数列:

[1, 3, 7, 21, 71, 89, 163, 213, 267, 489, 497, 623, 1141, 1491, 1869, 3423, 6319, 11573, 14507, 18957, 34719, 43521, 44233, 81011, 101549, 132699, 243033, 304647, 1029997, 3089991, 7209979, 21629937]

約数ペア:

[(1, 21629937), (3, 7209979), (7, 3089991), (21, 1029997), (71, 304647), (89, 243033), (163, 132699), (213, 101549), (267, 81011), (489, 44233), (497, 43521), (623, 34719), (1141, 18957), (1491, 14507), (1869, 11573), (3423, 6319)]