21974224

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{25913}}^1$

素因数の和:25974

約数の個数: 20

約数和(自身を含む): 43380036

約数和(自身を除く): 21405812

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 25913, 51826, 103652, 207304, 414608, 1373389, 2746778, 5493556, 10987112, 21974224]

約数ペア:

[(1, 21974224), (2, 10987112), (4, 5493556), (8, 2746778), (16, 1373389), (53, 414608), (106, 207304), (212, 103652), (424, 51826), (848, 25913)]