21963067

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{557}}^1$

素因数の和:738

約数の個数: 16

約数和(自身を含む): 25926912

約数和(自身を除く): 3963845

約数列:

[1, 7, 43, 131, 301, 557, 917, 3899, 5633, 23951, 39431, 72967, 167657, 510769, 3137581, 21963067]

約数ペア:

[(1, 21963067), (7, 3137581), (43, 510769), (131, 167657), (301, 72967), (557, 39431), (917, 23951), (3899, 5633)]