21298554

素因数分解:

$2^1\times 3^2\times {\mathrm{443}}^1\times {\mathrm{2671}}^1$

素因数の和:3122

約数の個数: 24

約数和(自身を含む): 46268352

約数和(自身を除く): 24969798

約数列:

[1, 2, 3, 6, 9, 18, 443, 886, 1329, 2658, 2671, 3987, 5342, 7974, 8013, 16026, 24039, 48078, 1183253, 2366506, 3549759, 7099518, 10649277, 21298554]

約数ペア:

[(1, 21298554), (2, 10649277), (3, 7099518), (6, 3549759), (9, 2366506), (18, 1183253), (443, 48078), (886, 24039), (1329, 16026), (2658, 8013), (2671, 7974), (3987, 5342)]