21065868

素因数分解:

$2^2\times 3^2\times {\mathrm{585163}}^1$

素因数の和:585173

約数の個数: 18

約数和(自身を含む): 53249924

約数和(自身を除く): 32184056

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 585163, 1170326, 1755489, 2340652, 3510978, 5266467, 7021956, 10532934, 21065868]

約数ペア:

[(1, 21065868), (2, 10532934), (3, 7021956), (4, 5266467), (6, 3510978), (9, 2340652), (12, 1755489), (18, 1170326), (36, 585163)]