21195248

素因数分解:

$2^4\times {\mathrm{1103}}^1\times {\mathrm{1201}}^1$

素因数の和:2312

約数の個数: 20

約数和(自身を含む): 41137248

約数和(自身を除く): 19942000

約数列:

[1, 2, 4, 8, 16, 1103, 1201, 2206, 2402, 4412, 4804, 8824, 9608, 17648, 19216, 1324703, 2649406, 5298812, 10597624, 21195248]

約数ペア:

[(1, 21195248), (2, 10597624), (4, 5298812), (8, 2649406), (16, 1324703), (1103, 19216), (1201, 17648), (2206, 9608), (2402, 8824), (4412, 4804)]