21728846

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1\times {\mathrm{823}}^1$

素因数の和:1175

約数の個数: 16

約数和(自身を含む): 33500544

約数和(自身を除く): 11771698

約数列:

[1, 2, 43, 86, 307, 614, 823, 1646, 13201, 26402, 35389, 70778, 252661, 505322, 10864423, 21728846]

約数ペア:

[(1, 21728846), (2, 10864423), (43, 505322), (86, 252661), (307, 70778), (614, 35389), (823, 26402), (1646, 13201)]