21221174

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{233}}^1$

素因数の和:392

約数の個数: 32

約数和(自身を含む): 35852544

約数和(自身を除く): 14631370

約数列:

[1, 2, 13, 26, 31, 62, 113, 226, 233, 403, 466, 806, 1469, 2938, 3029, 3503, 6058, 7006, 7223, 14446, 26329, 45539, 52658, 91078, 93899, 187798, 342277, 684554, 816199, 1632398, 10610587, 21221174]

約数ペア:

[(1, 21221174), (2, 10610587), (13, 1632398), (26, 816199), (31, 684554), (62, 342277), (113, 187798), (226, 93899), (233, 91078), (403, 52658), (466, 45539), (806, 26329), (1469, 14446), (2938, 7223), (3029, 7006), (3503, 6058)]