21533296

素因数分解:

$2^4\times {\mathrm{491}}^1\times {\mathrm{2741}}^1$

素因数の和:3240

約数の個数: 20

約数和(自身を含む): 41820984

約数和(自身を除く): 20287688

約数列:

[1, 2, 4, 8, 16, 491, 982, 1964, 2741, 3928, 5482, 7856, 10964, 21928, 43856, 1345831, 2691662, 5383324, 10766648, 21533296]

約数ペア:

[(1, 21533296), (2, 10766648), (4, 5383324), (8, 2691662), (16, 1345831), (491, 43856), (982, 21928), (1964, 10964), (2741, 7856), (3928, 5482)]