21596185

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{4003}}^1$

素因数の和:4104

約数の個数: 16

約数和(自身を含む): 28252224

約数和(自身を除く): 6656039

約数列:

[1, 5, 13, 65, 83, 415, 1079, 4003, 5395, 20015, 52039, 260195, 332249, 1661245, 4319237, 21596185]

約数ペア:

[(1, 21596185), (5, 4319237), (13, 1661245), (65, 332249), (83, 260195), (415, 52039), (1079, 20015), (4003, 5395)]