2215204090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20138219}}^1$

素因数の和:20138237

約数の個数: 16

約数和(自身を含む): 4349855520

約数和(自身を除く): 2134651430

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 20138219, 40276438, 100691095, 201382190, 221520409, 443040818, 1107602045, 2215204090]

約数ペア:

[(1, 2215204090), (2, 1107602045), (5, 443040818), (10, 221520409), (11, 201382190), (22, 100691095), (55, 40276438), (110, 20138219)]