21294656

素因数分解:

$2^6\times {\mathrm{332729}}^1$

素因数の和:332741

約数の個数: 14

約数和(自身を含む): 42256710

約数和(自身を除く): 20962054

約数列:

[1, 2, 4, 8, 16, 32, 64, 332729, 665458, 1330916, 2661832, 5323664, 10647328, 21294656]

約数ペア:

[(1, 21294656), (2, 10647328), (4, 5323664), (8, 2661832), (16, 1330916), (32, 665458), (64, 332729)]