21725104

素因数分解:

$2^4\times {\mathrm{191}}^1\times {\mathrm{7109}}^1$

素因数の和:7308

約数の個数: 20

約数和(自身を含む): 42318720

約数和(自身を除く): 20593616

約数列:

[1, 2, 4, 8, 16, 191, 382, 764, 1528, 3056, 7109, 14218, 28436, 56872, 113744, 1357819, 2715638, 5431276, 10862552, 21725104]

約数ペア:

[(1, 21725104), (2, 10862552), (4, 5431276), (8, 2715638), (16, 1357819), (191, 113744), (382, 56872), (764, 28436), (1528, 14218), (3056, 7109)]