2021221180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9187369}}^1$

素因数の和:9187389

約数の個数: 24

約数和(自身を含む): 4630434480

約数和(自身を除く): 2609213300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 9187369, 18374738, 36749476, 45936845, 91873690, 101061059, 183747380, 202122118, 404244236, 505305295, 1010610590, 2021221180]

約数ペア:

[(1, 2021221180), (2, 1010610590), (4, 505305295), (5, 404244236), (10, 202122118), (11, 183747380), (20, 101061059), (22, 91873690), (44, 45936845), (55, 36749476), (110, 18374738), (220, 9187369)]