21250688

素因数分解:

$2^7\times {\mathrm{166021}}^1$

素因数の和:166035

約数の個数: 16

約数和(自身を含む): 42335610

約数和(自身を除く): 21084922

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 166021, 332042, 664084, 1328168, 2656336, 5312672, 10625344, 21250688]

約数ペア:

[(1, 21250688), (2, 10625344), (4, 5312672), (8, 2656336), (16, 1328168), (32, 664084), (64, 332042), (128, 166021)]