21425222

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{117721}}^1$

素因数の和:117743

約数の個数: 16

約数和(自身を含む): 39554592

約数和(自身を除く): 18129370

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 117721, 235442, 824047, 1530373, 1648094, 3060746, 10712611, 21425222]

約数ペア:

[(1, 21425222), (2, 10712611), (7, 3060746), (13, 1648094), (14, 1530373), (26, 824047), (91, 235442), (182, 117721)]