21904232

素因数分解:

$2^3\times 7^1\times {\mathrm{599}}^1\times {\mathrm{653}}^1$

素因数の和:1265

約数の個数: 32

約数和(自身を含む): 47088000

約数和(自身を除く): 25183768

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 599, 653, 1198, 1306, 2396, 2612, 4193, 4571, 4792, 5224, 8386, 9142, 16772, 18284, 33544, 36568, 391147, 782294, 1564588, 2738029, 3129176, 5476058, 10952116, 21904232]

約数ペア:

[(1, 21904232), (2, 10952116), (4, 5476058), (7, 3129176), (8, 2738029), (14, 1564588), (28, 782294), (56, 391147), (599, 36568), (653, 33544), (1198, 18284), (1306, 16772), (2396, 9142), (2612, 8386), (4193, 5224), (4571, 4792)]