21136465315

素因数分解:

$5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1039}}^1\times {\mathrm{1931}}^1$

素因数の和:3032

約数の個数: 48

約数和(自身を含む): 30235645440

約数和(自身を除く): 9099180125

約数列:

[1, 5, 7, 35, 43, 49, 215, 245, 301, 1039, 1505, 1931, 2107, 5195, 7273, 9655, 10535, 13517, 36365, 44677, 50911, 67585, 83033, 94619, 223385, 254555, 312739, 415165, 473095, 581231, 1563695, 2006309, 2189173, 2906155, 4068617, 10031545, 10945865, 14044163, 20343085, 70220815, 86271287, 98309141, 431356435, 491545705, 603899009, 3019495045, 4227293063, 21136465315]

約数ペア:

[(1, 21136465315), (5, 4227293063), (7, 3019495045), (35, 603899009), (43, 491545705), (49, 431356435), (215, 98309141), (245, 86271287), (301, 70220815), (1039, 20343085), (1505, 14044163), (1931, 10945865), (2107, 10031545), (5195, 4068617), (7273, 2906155), (9655, 2189173), (10535, 2006309), (13517, 1563695), (36365, 581231), (44677, 473095), (50911, 415165), (67585, 312739), (83033, 254555), (94619, 223385)]