21426518

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{8429}}^1$

素因数の和:8503

約数の個数: 16

約数和(自身を含む): 33989760

約数和(自身を除く): 12563242

約数列:

[1, 2, 31, 41, 62, 82, 1271, 2542, 8429, 16858, 261299, 345589, 522598, 691178, 10713259, 21426518]

約数ペア:

[(1, 21426518), (2, 10713259), (31, 691178), (41, 522598), (62, 345589), (82, 261299), (1271, 16858), (2542, 8429)]