21712474

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53479}}^1$

素因数の和:53517

約数の個数: 16

約数和(自身を含む): 38505600

約数和(自身を除く): 16793126

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 53479, 106958, 374353, 748706, 1550891, 3101782, 10856237, 21712474]

約数ペア:

[(1, 21712474), (2, 10856237), (7, 3101782), (14, 1550891), (29, 748706), (58, 374353), (203, 106958), (406, 53479)]