21206610

素因数分解:

$2^1\times 3^6\times 5^1\times {\mathrm{2909}}^1$

素因数の和:2934

約数の個数: 56

約数和(自身を含む): 57251340

約数和(自身を除く): 36044730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 729, 810, 1215, 1458, 2430, 2909, 3645, 5818, 7290, 8727, 14545, 17454, 26181, 29090, 43635, 52362, 78543, 87270, 130905, 157086, 235629, 261810, 392715, 471258, 706887, 785430, 1178145, 1413774, 2120661, 2356290, 3534435, 4241322, 7068870, 10603305, 21206610]

約数ペア:

[(1, 21206610), (2, 10603305), (3, 7068870), (5, 4241322), (6, 3534435), (9, 2356290), (10, 2120661), (15, 1413774), (18, 1178145), (27, 785430), (30, 706887), (45, 471258), (54, 392715), (81, 261810), (90, 235629), (135, 157086), (162, 130905), (243, 87270), (270, 78543), (405, 52362), (486, 43635), (729, 29090), (810, 26181), (1215, 17454), (1458, 14545), (2430, 8727), (2909, 7290), (3645, 5818)]