21096279

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{941}}^1$

素因数の和:1047

約数の個数: 24

約数和(自身を含む): 31741632

約数和(自身を除く): 10645353

約数列:

[1, 3, 9, 47, 53, 141, 159, 423, 477, 941, 2491, 2823, 7473, 8469, 22419, 44227, 49873, 132681, 149619, 398043, 448857, 2344031, 7032093, 21096279]

約数ペア:

[(1, 21096279), (3, 7032093), (9, 2344031), (47, 448857), (53, 398043), (141, 149619), (159, 132681), (423, 49873), (477, 44227), (941, 22419), (2491, 8469), (2823, 7473)]