21495846

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2939}}^1$

素因数の和:3020

約数の個数: 32

約数和(自身を含む): 45722880

約数和(自身を除く): 24227034

約数列:

[1, 2, 3, 6, 23, 46, 53, 69, 106, 138, 159, 318, 1219, 2438, 2939, 3657, 5878, 7314, 8817, 17634, 67597, 135194, 155767, 202791, 311534, 405582, 467301, 934602, 3582641, 7165282, 10747923, 21495846]

約数ペア:

[(1, 21495846), (2, 10747923), (3, 7165282), (6, 3582641), (23, 934602), (46, 467301), (53, 405582), (69, 311534), (106, 202791), (138, 155767), (159, 135194), (318, 67597), (1219, 17634), (2438, 8817), (2939, 7314), (3657, 5878)]