21130179

素因数分解:

$3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{6173}}^1$

素因数の和:6346

約数の個数: 16

約数和(自身を含む): 32401152

約数和(自身を除く): 11270973

約数列:

[1, 3, 7, 21, 163, 489, 1141, 3423, 6173, 18519, 43211, 129633, 1006199, 3018597, 7043393, 21130179]

約数ペア:

[(1, 21130179), (3, 7043393), (7, 3018597), (21, 1006199), (163, 129633), (489, 43211), (1141, 18519), (3423, 6173)]