21459214

素因数分解:

$2^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{10151}}^1$

素因数の和:10311

約数の個数: 16

約数和(自身を含む): 37034496

約数和(自身を除く): 15575282

約数列:

[1, 2, 7, 14, 151, 302, 1057, 2114, 10151, 20302, 71057, 142114, 1532801, 3065602, 10729607, 21459214]

約数ペア:

[(1, 21459214), (2, 10729607), (7, 3065602), (14, 1532801), (151, 142114), (302, 71057), (1057, 20302), (2114, 10151)]