21007672

素因数分解:

$2^3\times 7^2\times {\mathrm{53591}}^1$

素因数の和:53611

約数の個数: 24

約数和(自身を含む): 45821160

約数和(自身を除く): 24813488

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 53591, 107182, 214364, 375137, 428728, 750274, 1500548, 2625959, 3001096, 5251918, 10503836, 21007672]

約数ペア:

[(1, 21007672), (2, 10503836), (4, 5251918), (7, 3001096), (8, 2625959), (14, 1500548), (28, 750274), (49, 428728), (56, 375137), (98, 214364), (196, 107182), (392, 53591)]