21342854

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{443}}^1$

素因数の和:584

約数の個数: 32

約数和(自身を含む): 36923040

約数和(自身を除く): 15580186

約数列:

[1, 2, 13, 17, 26, 34, 109, 218, 221, 442, 443, 886, 1417, 1853, 2834, 3706, 5759, 7531, 11518, 15062, 24089, 48178, 48287, 96574, 97903, 195806, 627731, 820879, 1255462, 1641758, 10671427, 21342854]

約数ペア:

[(1, 21342854), (2, 10671427), (13, 1641758), (17, 1255462), (26, 820879), (34, 627731), (109, 195806), (218, 97903), (221, 96574), (442, 48287), (443, 48178), (886, 24089), (1417, 15062), (1853, 11518), (2834, 7531), (3706, 5759)]