21041671679

素因数分解:

$7^2\times {\mathrm{907}}^1\times {\mathrm{473453}}^1$

素因数の和:474374

約数の個数: 12

約数和(自身を含む): 24504085224

約数和(自身を除く): 3462413545

約数列:

[1, 7, 49, 907, 6349, 44443, 473453, 3314171, 23199197, 429421871, 3005953097, 21041671679]

約数ペア:

[(1, 21041671679), (7, 3005953097), (49, 429421871), (907, 23199197), (6349, 3314171), (44443, 473453)]