21469168

素因数分解:

$2^4\times 7^1\times {\mathrm{191689}}^1$

素因数の和:191704

約数の個数: 20

約数和(自身を含む): 47539120

約数和(自身を除く): 26069952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 191689, 383378, 766756, 1341823, 1533512, 2683646, 3067024, 5367292, 10734584, 21469168]

約数ペア:

[(1, 21469168), (2, 10734584), (4, 5367292), (7, 3067024), (8, 2683646), (14, 1533512), (16, 1341823), (28, 766756), (56, 383378), (112, 191689)]