21495994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{3217}}^1$

素因数の和:3489

約数の個数: 16

約数和(自身を含む): 34870248

約数和(自身を除く): 13374254

約数列:

[1, 2, 13, 26, 257, 514, 3217, 3341, 6434, 6682, 41821, 83642, 826769, 1653538, 10747997, 21495994]

約数ペア:

[(1, 21495994), (2, 10747997), (13, 1653538), (26, 826769), (257, 83642), (514, 41821), (3217, 6682), (3341, 6434)]