21661656

素因数分解:

$2^3\times 3^1\times {\mathrm{902569}}^1$

素因数の和:902578

約数の個数: 16

約数和(自身を含む): 54154200

約数和(自身を除く): 32492544

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 902569, 1805138, 2707707, 3610276, 5415414, 7220552, 10830828, 21661656]

約数ペア:

[(1, 21661656), (2, 10830828), (3, 7220552), (4, 5415414), (6, 3610276), (8, 2707707), (12, 1805138), (24, 902569)]