21358973904

素因数分解:

$2^4\times 3^1\times {\mathrm{431}}^1\times {\mathrm{1032433}}^1$

素因数の和:1032875

約数の個数: 40

約数和(自身を含む): 55305424512

約数和(自身を除く): 33946450608

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 431, 862, 1293, 1724, 2586, 3448, 5172, 6896, 10344, 20688, 1032433, 2064866, 3097299, 4129732, 6194598, 8259464, 12389196, 16518928, 24778392, 49556784, 444978623, 889957246, 1334935869, 1779914492, 2669871738, 3559828984, 5339743476, 7119657968, 10679486952, 21358973904]

約数ペア:

[(1, 21358973904), (2, 10679486952), (3, 7119657968), (4, 5339743476), (6, 3559828984), (8, 2669871738), (12, 1779914492), (16, 1334935869), (24, 889957246), (48, 444978623), (431, 49556784), (862, 24778392), (1293, 16518928), (1724, 12389196), (2586, 8259464), (3448, 6194598), (5172, 4129732), (6896, 3097299), (10344, 2064866), (20688, 1032433)]