21394204

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{467}}^1\times {\mathrm{881}}^1$

素因数の和:1365

約数の個数: 24

約数和(自身を含む): 40452048

約数和(自身を除く): 19057844

約数列:

[1, 2, 4, 13, 26, 52, 467, 881, 934, 1762, 1868, 3524, 6071, 11453, 12142, 22906, 24284, 45812, 411427, 822854, 1645708, 5348551, 10697102, 21394204]

約数ペア:

[(1, 21394204), (2, 10697102), (4, 5348551), (13, 1645708), (26, 822854), (52, 411427), (467, 45812), (881, 24284), (934, 22906), (1762, 12142), (1868, 11453), (3524, 6071)]