21123258

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{1193}}^1$

素因数の和:1438

約数の個数: 32

約数和(自身を含む): 45734976

約数和(自身を除く): 24611718

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 227, 454, 681, 1193, 1362, 2386, 2951, 3579, 5902, 7158, 8853, 15509, 17706, 31018, 46527, 93054, 270811, 541622, 812433, 1624866, 3520543, 7041086, 10561629, 21123258]

約数ペア:

[(1, 21123258), (2, 10561629), (3, 7041086), (6, 3520543), (13, 1624866), (26, 812433), (39, 541622), (78, 270811), (227, 93054), (454, 46527), (681, 31018), (1193, 17706), (1362, 15509), (2386, 8853), (2951, 7158), (3579, 5902)]