21797035

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{8179}}^1$

素因数の和:8238

約数の個数: 16

約数和(自身を含む): 28859040

約数和(自身を除く): 7062005

約数列:

[1, 5, 13, 41, 65, 205, 533, 2665, 8179, 40895, 106327, 335339, 531635, 1676695, 4359407, 21797035]

約数ペア:

[(1, 21797035), (5, 4359407), (13, 1676695), (41, 531635), (65, 335339), (205, 106327), (533, 40895), (2665, 8179)]