21085872

素因数分解:

$2^4\times 3^1\times {\mathrm{439289}}^1$

素因数の和:439300

約数の個数: 20

約数和(自身を含む): 54471960

約数和(自身を除く): 33386088

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 439289, 878578, 1317867, 1757156, 2635734, 3514312, 5271468, 7028624, 10542936, 21085872]

約数ペア:

[(1, 21085872), (2, 10542936), (3, 7028624), (4, 5271468), (6, 3514312), (8, 2635734), (12, 1757156), (16, 1317867), (24, 878578), (48, 439289)]