21095804

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{1259}}^1$

素因数の和:1393

約数の個数: 24

約数和(自身を含む): 38102400

約数和(自身を除く): 17006596

約数列:

[1, 2, 4, 59, 71, 118, 142, 236, 284, 1259, 2518, 4189, 5036, 8378, 16756, 74281, 89389, 148562, 178778, 297124, 357556, 5273951, 10547902, 21095804]

約数ペア:

[(1, 21095804), (2, 10547902), (4, 5273951), (59, 357556), (71, 297124), (118, 178778), (142, 148562), (236, 89389), (284, 74281), (1259, 16756), (2518, 8378), (4189, 5036)]