21650060

素因数分解:

$2^2\times 5^1\times {\mathrm{727}}^1\times {\mathrm{1489}}^1$

素因数の和:2225

約数の個数: 24

約数和(自身を含む): 45558240

約数和(自身を除く): 23908180

約数列:

[1, 2, 4, 5, 10, 20, 727, 1454, 1489, 2908, 2978, 3635, 5956, 7270, 7445, 14540, 14890, 29780, 1082503, 2165006, 4330012, 5412515, 10825030, 21650060]

約数ペア:

[(1, 21650060), (2, 10825030), (4, 5412515), (5, 4330012), (10, 2165006), (20, 1082503), (727, 29780), (1454, 14890), (1489, 14540), (2908, 7445), (2978, 7270), (3635, 5956)]