21840774

素因数分解:

$2^1\times 3^1\times {\mathrm{823}}^1\times {\mathrm{4423}}^1$

素因数の和:5251

約数の個数: 16

約数和(自身を含む): 43744512

約数和(自身を除く): 21903738

約数列:

[1, 2, 3, 6, 823, 1646, 2469, 4423, 4938, 8846, 13269, 26538, 3640129, 7280258, 10920387, 21840774]

約数ペア:

[(1, 21840774), (2, 10920387), (3, 7280258), (6, 3640129), (823, 26538), (1646, 13269), (2469, 8846), (4423, 4938)]