21611220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{360187}}^1$

素因数の和:360199

約数の個数: 24

約数和(自身を含む): 60511584

約数和(自身を除く): 38900364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 360187, 720374, 1080561, 1440748, 1800935, 2161122, 3601870, 4322244, 5402805, 7203740, 10805610, 21611220]

約数ペア:

[(1, 21611220), (2, 10805610), (3, 7203740), (4, 5402805), (5, 4322244), (6, 3601870), (10, 2161122), (12, 1800935), (15, 1440748), (20, 1080561), (30, 720374), (60, 360187)]