21022504

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{599}}^1$

素因数の和:753

約数の個数: 32

約数和(自身を含む): 40824000

約数和(自身を除く): 19801496

約数列:

[1, 2, 4, 8, 41, 82, 107, 164, 214, 328, 428, 599, 856, 1198, 2396, 4387, 4792, 8774, 17548, 24559, 35096, 49118, 64093, 98236, 128186, 196472, 256372, 512744, 2627813, 5255626, 10511252, 21022504]

約数ペア:

[(1, 21022504), (2, 10511252), (4, 5255626), (8, 2627813), (41, 512744), (82, 256372), (107, 196472), (164, 128186), (214, 98236), (328, 64093), (428, 49118), (599, 35096), (856, 24559), (1198, 17548), (2396, 8774), (4387, 4792)]