21232043

素因数分解:

$7^4\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:304

約数の個数: 20

約数和(自身を含む): 25545120

約数和(自身を除く): 4313077

約数列:

[1, 7, 37, 49, 239, 259, 343, 1673, 1813, 2401, 8843, 11711, 12691, 61901, 81977, 88837, 433307, 573839, 3033149, 21232043]

約数ペア:

[(1, 21232043), (7, 3033149), (37, 573839), (49, 433307), (239, 88837), (259, 81977), (343, 61901), (1673, 12691), (1813, 11711), (2401, 8843)]