21370360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2857}}^1$

素因数の和:2896

約数の個数: 64

約数和(自身を含む): 55559520

約数和(自身を除く): 34189160

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 2857, 3740, 5714, 7480, 11428, 14285, 22856, 28570, 31427, 48569, 57140, 62854, 97138, 114280, 125708, 157135, 194276, 242845, 251416, 314270, 388552, 485690, 534259, 628540, 971380, 1068518, 1257080, 1942760, 2137036, 2671295, 4274072, 5342590, 10685180, 21370360]

約数ペア:

[(1, 21370360), (2, 10685180), (4, 5342590), (5, 4274072), (8, 2671295), (10, 2137036), (11, 1942760), (17, 1257080), (20, 1068518), (22, 971380), (34, 628540), (40, 534259), (44, 485690), (55, 388552), (68, 314270), (85, 251416), (88, 242845), (110, 194276), (136, 157135), (170, 125708), (187, 114280), (220, 97138), (340, 62854), (374, 57140), (440, 48569), (680, 31427), (748, 28570), (935, 22856), (1496, 14285), (1870, 11428), (2857, 7480), (3740, 5714)]