21648662

素因数分解:

$2^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{3673}}^1$

素因数の和:4103

約数の個数: 16

約数和(自身を含む): 37210272

約数和(自身を除く): 15561610

約数列:

[1, 2, 7, 14, 421, 842, 2947, 3673, 5894, 7346, 25711, 51422, 1546333, 3092666, 10824331, 21648662]

約数ペア:

[(1, 21648662), (2, 10824331), (7, 3092666), (14, 1546333), (421, 51422), (842, 25711), (2947, 7346), (3673, 5894)]