21438354

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{1471}}^1$

素因数の和:1830

約数の個数: 32

約数和(自身を含む): 49176576

約数和(自身を除く): 27738222

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 347, 694, 1041, 1471, 2082, 2429, 2942, 4413, 4858, 7287, 8826, 10297, 14574, 20594, 30891, 61782, 510437, 1020874, 1531311, 3062622, 3573059, 7146118, 10719177, 21438354]

約数ペア:

[(1, 21438354), (2, 10719177), (3, 7146118), (6, 3573059), (7, 3062622), (14, 1531311), (21, 1020874), (42, 510437), (347, 61782), (694, 30891), (1041, 20594), (1471, 14574), (2082, 10297), (2429, 8826), (2942, 7287), (4413, 4858)]