21014750

素因数分解:

$2^1\times 5^3\times {\mathrm{84059}}^1$

素因数の和:84076

約数の個数: 16

約数和(自身を含む): 39340080

約数和(自身を除く): 18325330

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 84059, 168118, 420295, 840590, 2101475, 4202950, 10507375, 21014750]

約数ペア:

[(1, 21014750), (2, 10507375), (5, 4202950), (10, 2101475), (25, 840590), (50, 420295), (125, 168118), (250, 84059)]