21246106

素因数分解:

$2^1\times 7^3\times {\mathrm{30971}}^1$

素因数の和:30994

約数の個数: 16

約数和(自身を含む): 37166400

約数和(自身を除く): 15920294

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 30971, 61942, 216797, 433594, 1517579, 3035158, 10623053, 21246106]

約数ペア:

[(1, 21246106), (2, 10623053), (7, 3035158), (14, 1517579), (49, 433594), (98, 216797), (343, 61942), (686, 30971)]