21745334

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{20399}}^1$

素因数の和:20455

約数の個数: 16

約数和(自身を含む): 35985600

約数和(自身を除く): 14240266

約数列:

[1, 2, 13, 26, 41, 82, 533, 1066, 20399, 40798, 265187, 530374, 836359, 1672718, 10872667, 21745334]

約数ペア:

[(1, 21745334), (2, 10872667), (13, 1672718), (26, 836359), (41, 530374), (82, 265187), (533, 40798), (1066, 20399)]