21011152

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{17989}}^1$

素因数の和:18070

約数の個数: 20

約数和(自身を含む): 41269060

約数和(自身を除く): 20257908

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 17989, 35978, 71956, 143912, 287824, 1313197, 2626394, 5252788, 10505576, 21011152]

約数ペア:

[(1, 21011152), (2, 10505576), (4, 5252788), (8, 2626394), (16, 1313197), (73, 287824), (146, 143912), (292, 71956), (584, 35978), (1168, 17989)]