21679588

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{26699}}^1$

素因数の和:26739

約数の個数: 24

約数和(自身を含む): 44856000

約数和(自身を除く): 23176412

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 26699, 53398, 106796, 186893, 373786, 747572, 774271, 1548542, 3097084, 5419897, 10839794, 21679588]

約数ペア:

[(1, 21679588), (2, 10839794), (4, 5419897), (7, 3097084), (14, 1548542), (28, 774271), (29, 747572), (58, 373786), (116, 186893), (203, 106796), (406, 53398), (812, 26699)]