210004100

素因数分解:

$2^2\times 5^2\times {\mathrm{2100041}}^1$

素因数の和:2100055

約数の個数: 18

約数和(自身を含む): 455709114

約数和(自身を除く): 245705014

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 2100041, 4200082, 8400164, 10500205, 21000410, 42000820, 52501025, 105002050, 210004100]

約数ペア:

[(1, 210004100), (2, 105002050), (4, 52501025), (5, 42000820), (10, 21000410), (20, 10500205), (25, 8400164), (50, 4200082), (100, 2100041)]