21741052

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{2069}}^1$

素因数の和:2181

約数の個数: 24

約数和(自身を含む): 39644640

約数和(自身を除く): 17903588

約数列:

[1, 2, 4, 37, 71, 74, 142, 148, 284, 2069, 2627, 4138, 5254, 8276, 10508, 76553, 146899, 153106, 293798, 306212, 587596, 5435263, 10870526, 21741052]

約数ペア:

[(1, 21741052), (2, 10870526), (4, 5435263), (37, 587596), (71, 306212), (74, 293798), (142, 153106), (148, 146899), (284, 76553), (2069, 10508), (2627, 8276), (4138, 5254)]