21329994

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{72551}}^1$

素因数の和:72570

約数の個数: 24

約数和(自身を含む): 49625568

約数和(自身を除く): 28295574

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 72551, 145102, 217653, 435306, 507857, 1015714, 1523571, 3047142, 3554999, 7109998, 10664997, 21329994]

約数ペア:

[(1, 21329994), (2, 10664997), (3, 7109998), (6, 3554999), (7, 3047142), (14, 1523571), (21, 1015714), (42, 507857), (49, 435306), (98, 217653), (147, 145102), (294, 72551)]