21947958

素因数分解:

$2^1\times 3^2\times {\mathrm{997}}^1\times {\mathrm{1223}}^1$

素因数の和:2228

約数の個数: 24

約数和(自身を含む): 47640528

約数和(自身を除く): 25692570

約数列:

[1, 2, 3, 6, 9, 18, 997, 1223, 1994, 2446, 2991, 3669, 5982, 7338, 8973, 11007, 17946, 22014, 1219331, 2438662, 3657993, 7315986, 10973979, 21947958]

約数ペア:

[(1, 21947958), (2, 10973979), (3, 7315986), (6, 3657993), (9, 2438662), (18, 1219331), (997, 22014), (1223, 17946), (1994, 11007), (2446, 8973), (2991, 7338), (3669, 5982)]