21711338

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{51941}}^1$

素因数の和:51973

約数の個数: 16

約数和(自身を含む): 37398240

約数和(自身を除く): 15686902

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 51941, 103882, 571351, 986879, 1142702, 1973758, 10855669, 21711338]

約数ペア:

[(1, 21711338), (2, 10855669), (11, 1973758), (19, 1142702), (22, 986879), (38, 571351), (209, 103882), (418, 51941)]