21760088

素因数分解:

$2^3\times 7^1\times {\mathrm{388573}}^1$

素因数の和:388586

約数の個数: 16

約数和(自身を含む): 46628880

約数和(自身を除く): 24868792

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 388573, 777146, 1554292, 2720011, 3108584, 5440022, 10880044, 21760088]

約数ペア:

[(1, 21760088), (2, 10880044), (4, 5440022), (7, 3108584), (8, 2720011), (14, 1554292), (28, 777146), (56, 388573)]