21282112

素因数分解:

$2^6\times {\mathrm{317}}^1\times {\mathrm{1049}}^1$

素因数の和:1378

約数の個数: 28

約数和(自身を含む): 42405300

約数和(自身を除く): 21123188

約数列:

[1, 2, 4, 8, 16, 32, 64, 317, 634, 1049, 1268, 2098, 2536, 4196, 5072, 8392, 10144, 16784, 20288, 33568, 67136, 332533, 665066, 1330132, 2660264, 5320528, 10641056, 21282112]

約数ペア:

[(1, 21282112), (2, 10641056), (4, 5320528), (8, 2660264), (16, 1330132), (32, 665066), (64, 332533), (317, 67136), (634, 33568), (1049, 20288), (1268, 16784), (2098, 10144), (2536, 8392), (4196, 5072)]