21695994

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{28031}}^1$

素因数の和:28082

約数の個数: 24

約数和(自身を含む): 48102912

約数和(自身を除く): 26406918

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 28031, 56062, 84093, 168186, 252279, 504558, 1205333, 2410666, 3615999, 7231998, 10847997, 21695994]

約数ペア:

[(1, 21695994), (2, 10847997), (3, 7231998), (6, 3615999), (9, 2410666), (18, 1205333), (43, 504558), (86, 252279), (129, 168186), (258, 84093), (387, 56062), (774, 28031)]