21560030

素因数分解:

$2^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{11171}}^1$

素因数の和:11371

約数の個数: 16

約数和(自身を含む): 39012624

約数和(自身を除く): 17452594

約数列:

[1, 2, 5, 10, 193, 386, 965, 1930, 11171, 22342, 55855, 111710, 2156003, 4312006, 10780015, 21560030]

約数ペア:

[(1, 21560030), (2, 10780015), (5, 4312006), (10, 2156003), (193, 111710), (386, 55855), (965, 22342), (1930, 11171)]