21059336

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{2111}}^1$

素因数の和:2189

約数の個数: 32

約数和(自身を含む): 41817600

約数和(自身を除く): 20758264

約数列:

[1, 2, 4, 8, 29, 43, 58, 86, 116, 172, 232, 344, 1247, 2111, 2494, 4222, 4988, 8444, 9976, 16888, 61219, 90773, 122438, 181546, 244876, 363092, 489752, 726184, 2632417, 5264834, 10529668, 21059336]

約数ペア:

[(1, 21059336), (2, 10529668), (4, 5264834), (8, 2632417), (29, 726184), (43, 489752), (58, 363092), (86, 244876), (116, 181546), (172, 122438), (232, 90773), (344, 61219), (1247, 16888), (2111, 9976), (2494, 8444), (4222, 4988)]