21778264

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{24091}}^1$

素因数の和:24210

約数の個数: 16

約数和(自身を含む): 41197320

約数和(自身を除く): 19419056

約数列:

[1, 2, 4, 8, 113, 226, 452, 904, 24091, 48182, 96364, 192728, 2722283, 5444566, 10889132, 21778264]

約数ペア:

[(1, 21778264), (2, 10889132), (4, 5444566), (8, 2722283), (113, 192728), (226, 96364), (452, 48182), (904, 24091)]