21644077

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{823}}^1$

素因数の和:877

約数の個数: 24

約数和(自身を含む): 28332416

約数和(自身を除く): 6688339

約数列:

[1, 7, 13, 17, 91, 119, 221, 289, 823, 1547, 2023, 3757, 5761, 10699, 13991, 26299, 74893, 97937, 181883, 237847, 1273181, 1664929, 3092011, 21644077]

約数ペア:

[(1, 21644077), (7, 3092011), (13, 1664929), (17, 1273181), (91, 237847), (119, 181883), (221, 97937), (289, 74893), (823, 26299), (1547, 13991), (2023, 10699), (3757, 5761)]