21407248

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{32633}}^1$

素因数の和:32682

約数の個数: 20

約数和(自身を含む): 42489468

約数和(自身を除く): 21082220

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 32633, 65266, 130532, 261064, 522128, 1337953, 2675906, 5351812, 10703624, 21407248]

約数ペア:

[(1, 21407248), (2, 10703624), (4, 5351812), (8, 2675906), (16, 1337953), (41, 522128), (82, 261064), (164, 130532), (328, 65266), (656, 32633)]