21031396082

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1\times {\mathrm{45413}}^1$

素因数の和:45742

約数の個数: 32

約数和(自身を含む): 34166223792

約数和(自身を除く): 13134827710

約数列:

[1, 2, 17, 34, 53, 106, 257, 514, 901, 1802, 4369, 8738, 13621, 27242, 45413, 90826, 231557, 463114, 772021, 1544042, 2406889, 4813778, 11671141, 23342282, 40917113, 81834226, 198409397, 396818794, 618570473, 1237140946, 10515698041, 21031396082]

約数ペア:

[(1, 21031396082), (2, 10515698041), (17, 1237140946), (34, 618570473), (53, 396818794), (106, 198409397), (257, 81834226), (514, 40917113), (901, 23342282), (1802, 11671141), (4369, 4813778), (8738, 2406889), (13621, 1544042), (27242, 772021), (45413, 463114), (90826, 231557)]