21859607

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{907}}^1$

素因数の和:1238

約数の個数: 16

約数和(自身を含む): 27370752

約数和(自身を除く): 5511145

約数列:

[1, 7, 11, 77, 313, 907, 2191, 3443, 6349, 9977, 24101, 69839, 283891, 1987237, 3122801, 21859607]

約数ペア:

[(1, 21859607), (7, 3122801), (11, 1987237), (77, 283891), (313, 69839), (907, 24101), (2191, 9977), (3443, 6349)]