21064542

素因数分解:

$2^1\times 3^1\times {\mathrm{641}}^1\times {\mathrm{5477}}^1$

素因数の和:6123

約数の個数: 16

約数和(自身を含む): 42202512

約数和(自身を除く): 21137970

約数列:

[1, 2, 3, 6, 641, 1282, 1923, 3846, 5477, 10954, 16431, 32862, 3510757, 7021514, 10532271, 21064542]

約数ペア:

[(1, 21064542), (2, 10532271), (3, 7021514), (6, 3510757), (641, 32862), (1282, 16431), (1923, 10954), (3846, 5477)]