21919564

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{271}}^1\times {\mathrm{277}}^1$

素因数の和:625

約数の個数: 24

約数和(自身を含む): 39169088

約数和(自身を除く): 17249524

約数列:

[1, 2, 4, 73, 146, 271, 277, 292, 542, 554, 1084, 1108, 19783, 20221, 39566, 40442, 75067, 79132, 80884, 150134, 300268, 5479891, 10959782, 21919564]

約数ペア:

[(1, 21919564), (2, 10959782), (4, 5479891), (73, 300268), (146, 150134), (271, 80884), (277, 79132), (292, 75067), (542, 40442), (554, 39566), (1084, 20221), (1108, 19783)]