21914450

素因数分解:

$2^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{4021}}^1$

素因数の和:4142

約数の個数: 24

約数和(自身を含む): 41145060

約数和(自身を除く): 19230610

約数列:

[1, 2, 5, 10, 25, 50, 109, 218, 545, 1090, 2725, 4021, 5450, 8042, 20105, 40210, 100525, 201050, 438289, 876578, 2191445, 4382890, 10957225, 21914450]

約数ペア:

[(1, 21914450), (2, 10957225), (5, 4382890), (10, 2191445), (25, 876578), (50, 438289), (109, 201050), (218, 100525), (545, 40210), (1090, 20105), (2725, 8042), (4021, 5450)]