21333872

素因数分解:

$2^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2843}}^1$

素因数の和:2925

約数の個数: 40

約数和(自身を含む): 47961216

約数和(自身を除く): 26627344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 67, 112, 134, 268, 469, 536, 938, 1072, 1876, 2843, 3752, 5686, 7504, 11372, 19901, 22744, 39802, 45488, 79604, 159208, 190481, 318416, 380962, 761924, 1333367, 1523848, 2666734, 3047696, 5333468, 10666936, 21333872]

約数ペア:

[(1, 21333872), (2, 10666936), (4, 5333468), (7, 3047696), (8, 2666734), (14, 1523848), (16, 1333367), (28, 761924), (56, 380962), (67, 318416), (112, 190481), (134, 159208), (268, 79604), (469, 45488), (536, 39802), (938, 22744), (1072, 19901), (1876, 11372), (2843, 7504), (3752, 5686)]