21226860

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13103}}^1$

素因数の和:13124

約数の個数: 60

約数和(自身を含む): 66594528

約数和(自身を除く): 45367668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 13103, 26206, 39309, 52412, 65515, 78618, 117927, 131030, 157236, 196545, 235854, 262060, 353781, 393090, 471708, 589635, 707562, 786180, 1061343, 1179270, 1415124, 1768905, 2122686, 2358540, 3537810, 4245372, 5306715, 7075620, 10613430, 21226860]

約数ペア:

[(1, 21226860), (2, 10613430), (3, 7075620), (4, 5306715), (5, 4245372), (6, 3537810), (9, 2358540), (10, 2122686), (12, 1768905), (15, 1415124), (18, 1179270), (20, 1061343), (27, 786180), (30, 707562), (36, 589635), (45, 471708), (54, 393090), (60, 353781), (81, 262060), (90, 235854), (108, 196545), (135, 157236), (162, 131030), (180, 117927), (270, 78618), (324, 65515), (405, 52412), (540, 39309), (810, 26206), (1620, 13103)]