21389892

素因数分解:

$2^2\times 3^1\times {\mathrm{317}}^1\times {\mathrm{5623}}^1$

素因数の和:5947

約数の個数: 24

約数和(自身を含む): 50076096

約数和(自身を除く): 28686204

約数列:

[1, 2, 3, 4, 6, 12, 317, 634, 951, 1268, 1902, 3804, 5623, 11246, 16869, 22492, 33738, 67476, 1782491, 3564982, 5347473, 7129964, 10694946, 21389892]

約数ペア:

[(1, 21389892), (2, 10694946), (3, 7129964), (4, 5347473), (6, 3564982), (12, 1782491), (317, 67476), (634, 33738), (951, 22492), (1268, 16869), (1902, 11246), (3804, 5623)]