21308912

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{22573}}^1$

素因数の和:22640

約数の個数: 20

約数和(自身を含む): 41987640

約数和(自身を除く): 20678728

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 22573, 45146, 90292, 180584, 361168, 1331807, 2663614, 5327228, 10654456, 21308912]

約数ペア:

[(1, 21308912), (2, 10654456), (4, 5327228), (8, 2663614), (16, 1331807), (59, 361168), (118, 180584), (236, 90292), (472, 45146), (944, 22573)]