21695286

素因数分解:

$2^1\times 3^1\times {\mathrm{641}}^1\times {\mathrm{5641}}^1$

素因数の和:6287

約数の個数: 16

約数和(自身を含む): 43465968

約数和(自身を除く): 21770682

約数列:

[1, 2, 3, 6, 641, 1282, 1923, 3846, 5641, 11282, 16923, 33846, 3615881, 7231762, 10847643, 21695286]

約数ペア:

[(1, 21695286), (2, 10847643), (3, 7231762), (6, 3615881), (641, 33846), (1282, 16923), (1923, 11282), (3846, 5641)]