21804

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:109

約数の個数: 24

約数和(自身を含む): 53760

約数和(自身を除く): 31956

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 79, 92, 138, 158, 237, 276, 316, 474, 948, 1817, 3634, 5451, 7268, 10902, 21804]

約数ペア:

[(1, 21804), (2, 10902), (3, 7268), (4, 5451), (6, 3634), (12, 1817), (23, 948), (46, 474), (69, 316), (79, 276), (92, 237), (138, 158)]