21868036

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{1063}}^1$

素因数の和:1243

約数の個数: 24

約数和(自身を含む): 39623360

約数和(自身を除く): 17755324

約数列:

[1, 2, 4, 37, 74, 139, 148, 278, 556, 1063, 2126, 4252, 5143, 10286, 20572, 39331, 78662, 147757, 157324, 295514, 591028, 5467009, 10934018, 21868036]

約数ペア:

[(1, 21868036), (2, 10934018), (4, 5467009), (37, 591028), (74, 295514), (139, 157324), (148, 147757), (278, 78662), (556, 39331), (1063, 20572), (2126, 10286), (4252, 5143)]