21481381620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{119341009}}^1$

素因数の和:119341024

約数の個数: 36

約数和(自身を含む): 65160191460

約数和(自身を除く): 43678809840

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 119341009, 238682018, 358023027, 477364036, 596705045, 716046054, 1074069081, 1193410090, 1432092108, 1790115135, 2148138162, 2386820180, 3580230270, 4296276324, 5370345405, 7160460540, 10740690810, 21481381620]

約数ペア:

[(1, 21481381620), (2, 10740690810), (3, 7160460540), (4, 5370345405), (5, 4296276324), (6, 3580230270), (9, 2386820180), (10, 2148138162), (12, 1790115135), (15, 1432092108), (18, 1193410090), (20, 1074069081), (30, 716046054), (36, 596705045), (45, 477364036), (60, 358023027), (90, 238682018), (180, 119341009)]