21132950

素因数分解:

$2^1\times 5^2\times {\mathrm{163}}^1\times {\mathrm{2593}}^1$

素因数の和:2768

約数の個数: 24

約数和(自身を含む): 39563688

約数和(自身を除く): 18430738

約数列:

[1, 2, 5, 10, 25, 50, 163, 326, 815, 1630, 2593, 4075, 5186, 8150, 12965, 25930, 64825, 129650, 422659, 845318, 2113295, 4226590, 10566475, 21132950]

約数ペア:

[(1, 21132950), (2, 10566475), (5, 4226590), (10, 2113295), (25, 845318), (50, 422659), (163, 129650), (326, 64825), (815, 25930), (1630, 12965), (2593, 8150), (4075, 5186)]