21864708

素因数分解:

$2^2\times 3^3\times {\mathrm{443}}^1\times {\mathrm{457}}^1$

素因数の和:913

約数の個数: 48

約数和(自身を含む): 56938560

約数和(自身を除く): 35073852

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 443, 457, 886, 914, 1329, 1371, 1772, 1828, 2658, 2742, 3987, 4113, 5316, 5484, 7974, 8226, 11961, 12339, 15948, 16452, 23922, 24678, 47844, 49356, 202451, 404902, 607353, 809804, 1214706, 1822059, 2429412, 3644118, 5466177, 7288236, 10932354, 21864708]

約数ペア:

[(1, 21864708), (2, 10932354), (3, 7288236), (4, 5466177), (6, 3644118), (9, 2429412), (12, 1822059), (18, 1214706), (27, 809804), (36, 607353), (54, 404902), (108, 202451), (443, 49356), (457, 47844), (886, 24678), (914, 23922), (1329, 16452), (1371, 15948), (1772, 12339), (1828, 11961), (2658, 8226), (2742, 7974), (3987, 5484), (4113, 5316)]