21000365572

素因数分解:

$2^2\times {\mathrm{601}}^1\times {\mathrm{1109}}^1\times {\mathrm{7877}}^1$

素因数の和:9591

約数の個数: 24

約数和(自身を含む): 36849660120

約数和(自身を除く): 15849294548

約数列:

[1, 2, 4, 601, 1109, 1202, 2218, 2404, 4436, 7877, 15754, 31508, 666509, 1333018, 2666036, 4734077, 8735593, 9468154, 17471186, 18936308, 34942372, 5250091393, 10500182786, 21000365572]

約数ペア:

[(1, 21000365572), (2, 10500182786), (4, 5250091393), (601, 34942372), (1109, 18936308), (1202, 17471186), (2218, 9468154), (2404, 8735593), (4436, 4734077), (7877, 2666036), (15754, 1333018), (31508, 666509)]