21021324

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{40739}}^1$

素因数の和:40789

約数の個数: 24

約数和(自身を含む): 50191680

約数和(自身を除く): 29170356

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 40739, 81478, 122217, 162956, 244434, 488868, 1751777, 3503554, 5255331, 7007108, 10510662, 21021324]

約数ペア:

[(1, 21021324), (2, 10510662), (3, 7007108), (4, 5255331), (6, 3503554), (12, 1751777), (43, 488868), (86, 244434), (129, 162956), (172, 122217), (258, 81478), (516, 40739)]