21936700

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{4139}}^1$

素因数の和:4206

約数の個数: 36

約数和(自身を含む): 48512520

約数和(自身を除く): 26575820

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 212, 265, 530, 1060, 1325, 2650, 4139, 5300, 8278, 16556, 20695, 41390, 82780, 103475, 206950, 219367, 413900, 438734, 877468, 1096835, 2193670, 4387340, 5484175, 10968350, 21936700]

約数ペア:

[(1, 21936700), (2, 10968350), (4, 5484175), (5, 4387340), (10, 2193670), (20, 1096835), (25, 877468), (50, 438734), (53, 413900), (100, 219367), (106, 206950), (212, 103475), (265, 82780), (530, 41390), (1060, 20695), (1325, 16556), (2650, 8278), (4139, 5300)]