21801924

素因数分解:

$2^2\times 3^2\times {\mathrm{605609}}^1$

素因数の和:605619

約数の個数: 18

約数和(自身を含む): 55110510

約数和(自身を除く): 33308586

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 605609, 1211218, 1816827, 2422436, 3633654, 5450481, 7267308, 10900962, 21801924]

約数ペア:

[(1, 21801924), (2, 10900962), (3, 7267308), (4, 5450481), (6, 3633654), (9, 2422436), (12, 1816827), (18, 1211218), (36, 605609)]