21000674296

素因数分解:

$2^3\times 7^1\times {\mathrm{26497}}^1\times {\mathrm{14153}}^1$

素因数の和:40663

約数の個数: 32

約数和(自身を含む): 45006323040

約数和(自身を除く): 24005648744

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 14153, 26497, 28306, 52994, 56612, 99071, 105988, 113224, 185479, 198142, 211976, 370958, 396284, 741916, 792568, 1483832, 375012041, 750024082, 1500048164, 2625084287, 3000096328, 5250168574, 10500337148, 21000674296]

約数ペア:

[(1, 21000674296), (2, 10500337148), (4, 5250168574), (7, 3000096328), (8, 2625084287), (14, 1500048164), (28, 750024082), (56, 375012041), (14153, 1483832), (26497, 792568), (28306, 741916), (52994, 396284), (56612, 370958), (99071, 211976), (105988, 198142), (113224, 185479)]