21008060

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{22349}}^1$

素因数の和:22405

約数の個数: 24

約数和(自身を含む): 45057600

約数和(自身を除く): 24049540

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 22349, 44698, 89396, 111745, 223490, 446980, 1050403, 2100806, 4201612, 5252015, 10504030, 21008060]

約数ペア:

[(1, 21008060), (2, 10504030), (4, 5252015), (5, 4201612), (10, 2100806), (20, 1050403), (47, 446980), (94, 223490), (188, 111745), (235, 89396), (470, 44698), (940, 22349)]