21448259

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{1319}}^1$

素因数の和:1450

約数の個数: 16

約数和(自身を含む): 25850880

約数和(自身を除く): 4402621

約数列:

[1, 7, 23, 101, 161, 707, 1319, 2323, 9233, 16261, 30337, 133219, 212359, 932533, 3064037, 21448259]

約数ペア:

[(1, 21448259), (7, 3064037), (23, 932533), (101, 212359), (161, 133219), (707, 30337), (1319, 16261), (2323, 9233)]