21131846

素因数分解:

$2^1\times {\mathrm{151}}^1\times {\mathrm{167}}^1\times {\mathrm{419}}^1$

素因数の和:739

約数の個数: 16

約数和(自身を含む): 32175360

約数和(自身を除く): 11043514

約数列:

[1, 2, 151, 167, 302, 334, 419, 838, 25217, 50434, 63269, 69973, 126538, 139946, 10565923, 21131846]

約数ペア:

[(1, 21131846), (2, 10565923), (151, 139946), (167, 126538), (302, 69973), (334, 63269), (419, 50434), (838, 25217)]