21634040

素因数分解:

$2^3\times 5^1\times {\mathrm{540851}}^1$

素因数の和:540862

約数の個数: 16

約数和(自身を含む): 48676680

約数和(自身を除く): 27042640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 540851, 1081702, 2163404, 2704255, 4326808, 5408510, 10817020, 21634040]

約数ペア:

[(1, 21634040), (2, 10817020), (4, 5408510), (5, 4326808), (8, 2704255), (10, 2163404), (20, 1081702), (40, 540851)]