21011916

素因数分解:

$2^2\times 3^1\times {\mathrm{839}}^1\times {\mathrm{2087}}^1$

素因数の和:2933

約数の個数: 24

約数和(自身を含む): 49109760

約数和(自身を除く): 28097844

約数列:

[1, 2, 3, 4, 6, 12, 839, 1678, 2087, 2517, 3356, 4174, 5034, 6261, 8348, 10068, 12522, 25044, 1750993, 3501986, 5252979, 7003972, 10505958, 21011916]

約数ペア:

[(1, 21011916), (2, 10505958), (3, 7003972), (4, 5252979), (6, 3501986), (12, 1750993), (839, 25044), (1678, 12522), (2087, 10068), (2517, 8348), (3356, 6261), (4174, 5034)]