21300352

素因数分解:

$2^7\times {\mathrm{166409}}^1$

素因数の和:166423

約数の個数: 16

約数和(自身を含む): 42434550

約数和(自身を除く): 21134198

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 166409, 332818, 665636, 1331272, 2662544, 5325088, 10650176, 21300352]

約数ペア:

[(1, 21300352), (2, 10650176), (4, 5325088), (8, 2662544), (16, 1331272), (32, 665636), (64, 332818), (128, 166409)]