21959604

素因数分解:

$2^2\times 3^2\times {\mathrm{609989}}^1$

素因数の和:609999

約数の個数: 18

約数和(自身を含む): 55509090

約数和(自身を除く): 33549486

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 609989, 1219978, 1829967, 2439956, 3659934, 5489901, 7319868, 10979802, 21959604]

約数ペア:

[(1, 21959604), (2, 10979802), (3, 7319868), (4, 5489901), (6, 3659934), (9, 2439956), (12, 1829967), (18, 1219978), (36, 609989)]