21444368

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{121843}}^1$

素因数の和:121862

約数の個数: 20

約数和(自身を含む): 45325968

約数和(自身を除く): 23881600

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 121843, 243686, 487372, 974744, 1340273, 1949488, 2680546, 5361092, 10722184, 21444368]

約数ペア:

[(1, 21444368), (2, 10722184), (4, 5361092), (8, 2680546), (11, 1949488), (16, 1340273), (22, 974744), (44, 487372), (88, 243686), (176, 121843)]