21271383

素因数分解:

$3^3\times 7^1\times {\mathrm{241}}^1\times {\mathrm{467}}^1$

素因数の和:724

約数の個数: 32

約数和(自身を含む): 36241920

約数和(自身を除く): 14970537

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 241, 467, 723, 1401, 1687, 2169, 3269, 4203, 5061, 6507, 9807, 12609, 15183, 29421, 45549, 88263, 112547, 337641, 787829, 1012923, 2363487, 3038769, 7090461, 21271383]

約数ペア:

[(1, 21271383), (3, 7090461), (7, 3038769), (9, 2363487), (21, 1012923), (27, 787829), (63, 337641), (189, 112547), (241, 88263), (467, 45549), (723, 29421), (1401, 15183), (1687, 12609), (2169, 9807), (3269, 6507), (4203, 5061)]