21413168

素因数分解:

$2^4\times 7^1\times {\mathrm{191189}}^1$

素因数の和:191204

約数の個数: 20

約数和(自身を含む): 47415120

約数和(自身を除く): 26001952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 191189, 382378, 764756, 1338323, 1529512, 2676646, 3059024, 5353292, 10706584, 21413168]

約数ペア:

[(1, 21413168), (2, 10706584), (4, 5353292), (7, 3059024), (8, 2676646), (14, 1529512), (16, 1338323), (28, 764756), (56, 382378), (112, 191189)]