22512021

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{4139}}^1$

素因数の和:4193

約数の個数: 24

約数和(自身を含む): 35868960

約数和(自身を除く): 13356939

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 777, 1813, 4139, 5439, 12417, 28973, 86919, 153143, 202811, 459429, 608433, 1072001, 3216003, 7504007, 22512021]

約数ペア:

[(1, 22512021), (3, 7504007), (7, 3216003), (21, 1072001), (37, 608433), (49, 459429), (111, 202811), (147, 153143), (259, 86919), (777, 28973), (1813, 12417), (4139, 5439)]