21761264

素因数分解:

$2^4\times 7^1\times {\mathrm{331}}^1\times {\mathrm{587}}^1$

素因数の和:933

約数の個数: 40

約数和(自身を含む): 48413568

約数和(自身を除く): 26652304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 331, 587, 662, 1174, 1324, 2317, 2348, 2648, 4109, 4634, 4696, 5296, 8218, 9268, 9392, 16436, 18536, 32872, 37072, 65744, 194297, 388594, 777188, 1360079, 1554376, 2720158, 3108752, 5440316, 10880632, 21761264]

約数ペア:

[(1, 21761264), (2, 10880632), (4, 5440316), (7, 3108752), (8, 2720158), (14, 1554376), (16, 1360079), (28, 777188), (56, 388594), (112, 194297), (331, 65744), (587, 37072), (662, 32872), (1174, 18536), (1324, 16436), (2317, 9392), (2348, 9268), (2648, 8218), (4109, 5296), (4634, 4696)]