21810870

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{26927}}^1$

素因数の和:26946

約数の個数: 40

約数和(自身を含む): 58649184

約数和(自身を除く): 36838314

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 26927, 53854, 80781, 134635, 161562, 242343, 269270, 403905, 484686, 727029, 807810, 1211715, 1454058, 2181087, 2423430, 3635145, 4362174, 7270290, 10905435, 21810870]

約数ペア:

[(1, 21810870), (2, 10905435), (3, 7270290), (5, 4362174), (6, 3635145), (9, 2423430), (10, 2181087), (15, 1454058), (18, 1211715), (27, 807810), (30, 727029), (45, 484686), (54, 403905), (81, 269270), (90, 242343), (135, 161562), (162, 134635), (270, 80781), (405, 53854), (810, 26927)]