21760805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{2287}}^1$

素因数の和:2476

約数の個数: 16

約数和(自身を含む): 28664064

約数和(自身を除く): 6903259

約数列:

[1, 5, 11, 55, 173, 865, 1903, 2287, 9515, 11435, 25157, 125785, 395651, 1978255, 4352161, 21760805]

約数ペア:

[(1, 21760805), (5, 4352161), (11, 1978255), (55, 395651), (173, 125785), (865, 25157), (1903, 11435), (2287, 9515)]