21162584

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{85333}}^1$

素因数の和:85370

約数の個数: 16

約数和(自身を含む): 40960320

約数和(自身を除く): 19797736

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 85333, 170666, 341332, 682664, 2645323, 5290646, 10581292, 21162584]

約数ペア:

[(1, 21162584), (2, 10581292), (4, 5290646), (8, 2645323), (31, 682664), (62, 341332), (124, 170666), (248, 85333)]