21823907

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{617}}^1$

素因数の和:818

約数の個数: 16

約数和(自身を含む): 25946112

約数和(自身を除く): 4122205

約数列:

[1, 7, 31, 163, 217, 617, 1141, 4319, 5053, 19127, 35371, 100571, 133889, 703997, 3117701, 21823907]

約数ペア:

[(1, 21823907), (7, 3117701), (31, 703997), (163, 133889), (217, 100571), (617, 35371), (1141, 19127), (4319, 5053)]