21108801

素因数分解:

$3^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{2399}}^1$

素因数の和:2828

約数の個数: 16

約数和(自身を含む): 32256000

約数和(自身を除く): 11147199

約数列:

[1, 3, 7, 21, 419, 1257, 2399, 2933, 7197, 8799, 16793, 50379, 1005181, 3015543, 7036267, 21108801]

約数ペア:

[(1, 21108801), (3, 7036267), (7, 3015543), (21, 1005181), (419, 50379), (1257, 16793), (2399, 8799), (2933, 7197)]