21203824

素因数分解:

$2^4\times {\mathrm{293}}^1\times {\mathrm{4523}}^1$

素因数の和:4824

約数の個数: 20

約数和(自身を含む): 41231736

約数和(自身を除く): 20027912

約数列:

[1, 2, 4, 8, 16, 293, 586, 1172, 2344, 4523, 4688, 9046, 18092, 36184, 72368, 1325239, 2650478, 5300956, 10601912, 21203824]

約数ペア:

[(1, 21203824), (2, 10601912), (4, 5300956), (8, 2650478), (16, 1325239), (293, 72368), (586, 36184), (1172, 18092), (2344, 9046), (4523, 4688)]