21799085

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1381}}^1$

素因数の和:1445

約数の個数: 32

約数和(自身を含む): 33433344

約数和(自身を除く): 11634259

約数列:

[1, 5, 7, 11, 35, 41, 55, 77, 205, 287, 385, 451, 1381, 1435, 2255, 3157, 6905, 9667, 15191, 15785, 48335, 56621, 75955, 106337, 283105, 396347, 531685, 622831, 1981735, 3114155, 4359817, 21799085]

約数ペア:

[(1, 21799085), (5, 4359817), (7, 3114155), (11, 1981735), (35, 622831), (41, 531685), (55, 396347), (77, 283105), (205, 106337), (287, 75955), (385, 56621), (451, 48335), (1381, 15785), (1435, 15191), (2255, 9667), (3157, 6905)]