21004641

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{9011}}^1$

素因数の和:9061

約数の個数: 24

約数和(自身を含む): 35615424

約数和(自身を除く): 14610783

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 9011, 27033, 63077, 81099, 189231, 333407, 567693, 1000221, 2333849, 3000663, 7001547, 21004641]

約数ペア:

[(1, 21004641), (3, 7001547), (7, 3000663), (9, 2333849), (21, 1000221), (37, 567693), (63, 333407), (111, 189231), (259, 81099), (333, 63077), (777, 27033), (2331, 9011)]