21283667

素因数分解:

${\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:410

約数の個数: 16

約数和(自身を含む): 23232000

約数和(自身を除く): 1948333

約数列:

[1, 19, 43, 109, 239, 817, 2071, 4541, 4687, 10277, 26051, 89053, 195263, 494969, 1120193, 21283667]

約数ペア:

[(1, 21283667), (19, 1120193), (43, 494969), (109, 195263), (239, 89053), (817, 26051), (2071, 10277), (4541, 4687)]