21104608

素因数分解:

$2^5\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1327}}^1$

素因数の和:1415

約数の個数: 48

約数和(自身を含む): 48190464

約数和(自身を除く): 27085856

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 71, 112, 142, 224, 284, 497, 568, 994, 1136, 1327, 1988, 2272, 2654, 3976, 5308, 7952, 9289, 10616, 15904, 18578, 21232, 37156, 42464, 74312, 94217, 148624, 188434, 297248, 376868, 659519, 753736, 1319038, 1507472, 2638076, 3014944, 5276152, 10552304, 21104608]

約数ペア:

[(1, 21104608), (2, 10552304), (4, 5276152), (7, 3014944), (8, 2638076), (14, 1507472), (16, 1319038), (28, 753736), (32, 659519), (56, 376868), (71, 297248), (112, 188434), (142, 148624), (224, 94217), (284, 74312), (497, 42464), (568, 37156), (994, 21232), (1136, 18578), (1327, 15904), (1988, 10616), (2272, 9289), (2654, 7952), (3976, 5308)]