21645267

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{60631}}^1$

素因数の和:60658

約数の個数: 16

約数和(自身を含む): 34924032

約数和(自身を除く): 13278765

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 60631, 181893, 424417, 1030727, 1273251, 3092181, 7215089, 21645267]

約数ペア:

[(1, 21645267), (3, 7215089), (7, 3092181), (17, 1273251), (21, 1030727), (51, 424417), (119, 181893), (357, 60631)]