21016544

素因数分解:

$2^5\times {\mathrm{277}}^1\times {\mathrm{2371}}^1$

素因数の和:2658

約数の個数: 24

約数和(自身を含む): 41543208

約数和(自身を除く): 20526664

約数列:

[1, 2, 4, 8, 16, 32, 277, 554, 1108, 2216, 2371, 4432, 4742, 8864, 9484, 18968, 37936, 75872, 656767, 1313534, 2627068, 5254136, 10508272, 21016544]

約数ペア:

[(1, 21016544), (2, 10508272), (4, 5254136), (8, 2627068), (16, 1313534), (32, 656767), (277, 75872), (554, 37936), (1108, 18968), (2216, 9484), (2371, 8864), (4432, 4742)]