21988962

素因数分解:

$2^1\times 3^3\times {\mathrm{407203}}^1$

素因数の和:407214

約数の個数: 16

約数和(自身を含む): 48864480

約数和(自身を除く): 26875518

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 407203, 814406, 1221609, 2443218, 3664827, 7329654, 10994481, 21988962]

約数ペア:

[(1, 21988962), (2, 10994481), (3, 7329654), (6, 3664827), (9, 2443218), (18, 1221609), (27, 814406), (54, 407203)]