21908699

素因数分解:

${\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:686

約数の個数: 16

約数和(自身を含む): 24257376

約数和(自身を除く): 2348677

約数列:

[1, 17, 37, 61, 571, 629, 1037, 2257, 9707, 21127, 34831, 38369, 359159, 592127, 1288747, 21908699]

約数ペア:

[(1, 21908699), (17, 1288747), (37, 592127), (61, 359159), (571, 38369), (629, 34831), (1037, 21127), (2257, 9707)]