21918027

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{359}}^1\times {\mathrm{433}}^1$

素因数の和:842

約数の個数: 16

約数和(自身を含む): 29998080

約数和(自身を除く): 8080053

約数列:

[1, 3, 47, 141, 359, 433, 1077, 1299, 16873, 20351, 50619, 61053, 155447, 466341, 7306009, 21918027]

約数ペア:

[(1, 21918027), (3, 7306009), (47, 466341), (141, 155447), (359, 61053), (433, 50619), (1077, 20351), (1299, 16873)]