21187060

素因数分解:

$2^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{3001}}^1$

素因数の和:3363

約数の個数: 24

約数和(自身を含む): 44633736

約数和(自身を除く): 23446676

約数列:

[1, 2, 4, 5, 10, 20, 353, 706, 1412, 1765, 3001, 3530, 6002, 7060, 12004, 15005, 30010, 60020, 1059353, 2118706, 4237412, 5296765, 10593530, 21187060]

約数ペア:

[(1, 21187060), (2, 10593530), (4, 5296765), (5, 4237412), (10, 2118706), (20, 1059353), (353, 60020), (706, 30010), (1412, 15005), (1765, 12004), (3001, 7060), (3530, 6002)]