21371830

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{92921}}^1$

素因数の和:92951

約数の個数: 16

約数和(自身を含む): 40142304

約数和(自身を除く): 18770474

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 92921, 185842, 464605, 929210, 2137183, 4274366, 10685915, 21371830]

約数ペア:

[(1, 21371830), (2, 10685915), (5, 4274366), (10, 2137183), (23, 929210), (46, 464605), (115, 185842), (230, 92921)]