21373214

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{1669}}^1$

素因数の和:2027

約数の個数: 16

約数和(自身を含む): 33867600

約数和(自身を除く): 12494386

約数列:

[1, 2, 19, 38, 337, 674, 1669, 3338, 6403, 12806, 31711, 63422, 562453, 1124906, 10686607, 21373214]

約数ペア:

[(1, 21373214), (2, 10686607), (19, 1124906), (38, 562453), (337, 63422), (674, 31711), (1669, 12806), (3338, 6403)]