21070866

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^2\times {\mathrm{659}}^1$

素因数の和:810

約数の個数: 24

約数和(自身を含む): 42791760

約数和(自身を除く): 21720894

約数列:

[1, 2, 3, 6, 73, 146, 219, 438, 659, 1318, 1977, 3954, 5329, 10658, 15987, 31974, 48107, 96214, 144321, 288642, 3511811, 7023622, 10535433, 21070866]

約数ペア:

[(1, 21070866), (2, 10535433), (3, 7023622), (6, 3511811), (73, 288642), (146, 144321), (219, 96214), (438, 48107), (659, 31974), (1318, 15987), (1977, 10658), (3954, 5329)]