21703504

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{277}}^1$

素因数の和:427

約数の個数: 40

約数和(自身を含む): 43434720

約数和(自身を除く): 21731216

約数列:

[1, 2, 4, 8, 16, 59, 83, 118, 166, 236, 277, 332, 472, 554, 664, 944, 1108, 1328, 2216, 4432, 4897, 9794, 16343, 19588, 22991, 32686, 39176, 45982, 65372, 78352, 91964, 130744, 183928, 261488, 367856, 1356469, 2712938, 5425876, 10851752, 21703504]

約数ペア:

[(1, 21703504), (2, 10851752), (4, 5425876), (8, 2712938), (16, 1356469), (59, 367856), (83, 261488), (118, 183928), (166, 130744), (236, 91964), (277, 78352), (332, 65372), (472, 45982), (554, 39176), (664, 32686), (944, 22991), (1108, 19588), (1328, 16343), (2216, 9794), (4432, 4897)]