2100055700

素因数分解:

$2^2\times 5^2\times {\mathrm{21000557}}^1$

素因数の和:21000571

約数の個数: 18

約数和(自身を含む): 4557121086

約数和(自身を除く): 2457065386

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 21000557, 42001114, 84002228, 105002785, 210005570, 420011140, 525013925, 1050027850, 2100055700]

約数ペア:

[(1, 2100055700), (2, 1050027850), (4, 525013925), (5, 420011140), (10, 210005570), (20, 105002785), (25, 84002228), (50, 42001114), (100, 21000557)]