21137210

素因数分解:

$2^1\times 5^1\times {\mathrm{887}}^1\times {\mathrm{2383}}^1$

素因数の和:3277

約数の個数: 16

約数和(自身を含む): 38105856

約数和(自身を除く): 16968646

約数列:

[1, 2, 5, 10, 887, 1774, 2383, 4435, 4766, 8870, 11915, 23830, 2113721, 4227442, 10568605, 21137210]

約数ペア:

[(1, 21137210), (2, 10568605), (5, 4227442), (10, 2113721), (887, 23830), (1774, 11915), (2383, 8870), (4435, 4766)]