21342536

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{23609}}^1$

素因数の和:23728

約数の個数: 16

約数和(自身を含む): 40373100

約数和(自身を除く): 19030564

約数列:

[1, 2, 4, 8, 113, 226, 452, 904, 23609, 47218, 94436, 188872, 2667817, 5335634, 10671268, 21342536]

約数ペア:

[(1, 21342536), (2, 10671268), (4, 5335634), (8, 2667817), (113, 188872), (226, 94436), (452, 47218), (904, 23609)]