21971054

素因数分解:

$2^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{5791}}^1$

素因数の和:6071

約数の個数: 16

約数和(自身を含む): 37810176

約数和(自身を除く): 15839122

約数列:

[1, 2, 7, 14, 271, 542, 1897, 3794, 5791, 11582, 40537, 81074, 1569361, 3138722, 10985527, 21971054]

約数ペア:

[(1, 21971054), (2, 10985527), (7, 3138722), (14, 1569361), (271, 81074), (542, 40537), (1897, 11582), (3794, 5791)]