7213940

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3371}}^1$

素因数の和:3487

約数の個数: 24

約数和(自身を含む): 15295392

約数和(自身を除く): 8081452

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 3371, 6742, 13484, 16855, 33710, 67420, 360697, 721394, 1442788, 1803485, 3606970, 7213940]

約数ペア:

[(1, 7213940), (2, 3606970), (4, 1803485), (5, 1442788), (10, 721394), (20, 360697), (107, 67420), (214, 33710), (428, 16855), (535, 13484), (1070, 6742), (2140, 3371)]