21174188

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{10651}}^1$

素因数の和:10733

約数の個数: 24

約数和(自身を含む): 42948864

約数和(自身を除く): 21774676

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 10651, 21302, 42604, 74557, 149114, 298228, 756221, 1512442, 3024884, 5293547, 10587094, 21174188]

約数ペア:

[(1, 21174188), (2, 10587094), (4, 5293547), (7, 3024884), (14, 1512442), (28, 756221), (71, 298228), (142, 149114), (284, 74557), (497, 42604), (994, 21302), (1988, 10651)]