21489522

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{123503}}^1$

素因数の和:123537

約数の個数: 16

約数和(自身を含む): 44461440

約数和(自身を除く): 22971918

約数列:

[1, 2, 3, 6, 29, 58, 87, 174, 123503, 247006, 370509, 741018, 3581587, 7163174, 10744761, 21489522]

約数ペア:

[(1, 21489522), (2, 10744761), (3, 7163174), (6, 3581587), (29, 741018), (58, 370509), (87, 247006), (174, 123503)]