21523370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{503}}^1$

素因数の和:910

約数の個数: 32

約数和(自身を含む): 42456960

約数和(自身を除く): 20933590

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 389, 503, 778, 1006, 1945, 2515, 3890, 4279, 5030, 5533, 8558, 11066, 21395, 27665, 42790, 55330, 195667, 391334, 978335, 1956670, 2152337, 4304674, 10761685, 21523370]

約数ペア:

[(1, 21523370), (2, 10761685), (5, 4304674), (10, 2152337), (11, 1956670), (22, 978335), (55, 391334), (110, 195667), (389, 55330), (503, 42790), (778, 27665), (1006, 21395), (1945, 11066), (2515, 8558), (3890, 5533), (4279, 5030)]