21939448

素因数分解:

$2^3\times {\mathrm{307}}^1\times {\mathrm{8933}}^1$

素因数の和:9246

約数の個数: 16

約数和(自身を含む): 41275080

約数和(自身を除く): 19335632

約数列:

[1, 2, 4, 8, 307, 614, 1228, 2456, 8933, 17866, 35732, 71464, 2742431, 5484862, 10969724, 21939448]

約数ペア:

[(1, 21939448), (2, 10969724), (4, 5484862), (8, 2742431), (307, 71464), (614, 35732), (1228, 17866), (2456, 8933)]