21081366520

素因数分解:

$2^3\times 5^1\times {\mathrm{527034163}}^1$

素因数の和:527034174

約数の個数: 16

約数和(自身を含む): 47433074760

約数和(自身を除く): 26351708240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 527034163, 1054068326, 2108136652, 2635170815, 4216273304, 5270341630, 10540683260, 21081366520]

約数ペア:

[(1, 21081366520), (2, 10540683260), (4, 5270341630), (5, 4216273304), (8, 2635170815), (10, 2108136652), (20, 1054068326), (40, 527034163)]