21201478524

素因数分解:

$2^2\times 3^2\times {\mathrm{443}}^1\times {\mathrm{457}}^1\times {\mathrm{2909}}^1$

素因数の和:3819

約数の個数: 72

約数和(自身を含む): 53849643120

約数和(自身を除く): 32648164596

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 443, 457, 886, 914, 1329, 1371, 1772, 1828, 2658, 2742, 2909, 3987, 4113, 5316, 5484, 5818, 7974, 8226, 8727, 11636, 15948, 16452, 17454, 26181, 34908, 52362, 104724, 202451, 404902, 607353, 809804, 1214706, 1288687, 1329413, 1822059, 2429412, 2577374, 2658826, 3644118, 3866061, 3988239, 5154748, 5317652, 7288236, 7732122, 7976478, 11598183, 11964717, 15464244, 15952956, 23196366, 23929434, 46392732, 47858868, 588929959, 1177859918, 1766789877, 2355719836, 3533579754, 5300369631, 7067159508, 10600739262, 21201478524]

約数ペア:

[(1, 21201478524), (2, 10600739262), (3, 7067159508), (4, 5300369631), (6, 3533579754), (9, 2355719836), (12, 1766789877), (18, 1177859918), (36, 588929959), (443, 47858868), (457, 46392732), (886, 23929434), (914, 23196366), (1329, 15952956), (1371, 15464244), (1772, 11964717), (1828, 11598183), (2658, 7976478), (2742, 7732122), (2909, 7288236), (3987, 5317652), (4113, 5154748), (5316, 3988239), (5484, 3866061), (5818, 3644118), (7974, 2658826), (8226, 2577374), (8727, 2429412), (11636, 1822059), (15948, 1329413), (16452, 1288687), (17454, 1214706), (26181, 809804), (34908, 607353), (52362, 404902), (104724, 202451)]