21982142

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{449}}^1$

素因数の和:740

約数の個数: 32

約数和(自身を含む): 40824000

約数和(自身を除く): 18841858

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 269, 449, 538, 898, 1883, 3143, 3497, 3766, 5837, 6286, 6994, 11674, 24479, 40859, 48958, 81718, 120781, 241562, 845467, 1570153, 1690934, 3140306, 10991071, 21982142]

約数ペア:

[(1, 21982142), (2, 10991071), (7, 3140306), (13, 1690934), (14, 1570153), (26, 845467), (91, 241562), (182, 120781), (269, 81718), (449, 48958), (538, 40859), (898, 24479), (1883, 11674), (3143, 6994), (3497, 6286), (3766, 5837)]