21305655196

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{467}}^1\times {\mathrm{26711}}^1$

素因数の和:27250

約数の個数: 48

約数和(自身を含む): 43404221952

約数和(自身を除く): 22098566756

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 467, 854, 934, 1708, 1868, 3269, 6538, 13076, 26711, 28487, 53422, 56974, 106844, 113948, 186977, 199409, 373954, 398818, 747908, 797636, 1629371, 3258742, 6517484, 11405597, 12474037, 22811194, 24948074, 45622388, 49896148, 87318259, 174636518, 349273036, 760916257, 1521832514, 3043665028, 5326413799, 10652827598, 21305655196]

約数ペア:

[(1, 21305655196), (2, 10652827598), (4, 5326413799), (7, 3043665028), (14, 1521832514), (28, 760916257), (61, 349273036), (122, 174636518), (244, 87318259), (427, 49896148), (467, 45622388), (854, 24948074), (934, 22811194), (1708, 12474037), (1868, 11405597), (3269, 6517484), (6538, 3258742), (13076, 1629371), (26711, 797636), (28487, 747908), (53422, 398818), (56974, 373954), (106844, 199409), (113948, 186977)]