21402370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1889}}^1$

素因数の和:2010

約数の個数: 32

約数和(自身を含む): 42456960

約数和(自身を除く): 21054590

約数列:

[1, 2, 5, 10, 11, 22, 55, 103, 110, 206, 515, 1030, 1133, 1889, 2266, 3778, 5665, 9445, 11330, 18890, 20779, 41558, 103895, 194567, 207790, 389134, 972835, 1945670, 2140237, 4280474, 10701185, 21402370]

約数ペア:

[(1, 21402370), (2, 10701185), (5, 4280474), (10, 2140237), (11, 1945670), (22, 972835), (55, 389134), (103, 207790), (110, 194567), (206, 103895), (515, 41558), (1030, 20779), (1133, 18890), (1889, 11330), (2266, 9445), (3778, 5665)]