21211022

素因数分解:

$2^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{5279}}^1$

素因数の和:5336

約数の個数: 24

約数和(自身を含む): 37920960

約数和(自身を除く): 16709938

約数列:

[1, 2, 7, 14, 41, 49, 82, 98, 287, 574, 2009, 4018, 5279, 10558, 36953, 73906, 216439, 258671, 432878, 517342, 1515073, 3030146, 10605511, 21211022]

約数ペア:

[(1, 21211022), (2, 10605511), (7, 3030146), (14, 1515073), (41, 517342), (49, 432878), (82, 258671), (98, 216439), (287, 73906), (574, 36953), (2009, 10558), (4018, 5279)]