21973360

素因数分解:

$2^4\times 5^1\times {\mathrm{274667}}^1$

素因数の和:274680

約数の個数: 20

約数和(自身を含む): 51088248

約数和(自身を除く): 29114888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 274667, 549334, 1098668, 1373335, 2197336, 2746670, 4394672, 5493340, 10986680, 21973360]

約数ペア:

[(1, 21973360), (2, 10986680), (4, 5493340), (5, 4394672), (8, 2746670), (10, 2197336), (16, 1373335), (20, 1098668), (40, 549334), (80, 274667)]