21732279

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{1327}}^1$

素因数の和:1486

約数の個数: 16

約数和(自身を含む): 29832192

約数和(自身を除く): 8099913

約数列:

[1, 3, 53, 103, 159, 309, 1327, 3981, 5459, 16377, 70331, 136681, 210993, 410043, 7244093, 21732279]

約数ペア:

[(1, 21732279), (3, 7244093), (53, 410043), (103, 210993), (159, 136681), (309, 70331), (1327, 16377), (3981, 5459)]