21016156653

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{44267}}^1$

素因数の和:44426

約数の個数: 48

約数和(自身を含む): 33562226880

約数和(自身を除く): 12546070227

約数列:

[1, 3, 9, 17, 29, 51, 87, 107, 153, 261, 321, 493, 963, 1479, 1819, 3103, 4437, 5457, 9309, 16371, 27927, 44267, 52751, 132801, 158253, 398403, 474759, 752539, 1283743, 2257617, 3851229, 4736569, 6772851, 11553687, 14209707, 21823631, 42629121, 65470893, 80521673, 137360501, 196412679, 241565019, 412081503, 724695057, 1236244509, 2335128517, 7005385551, 21016156653]

約数ペア:

[(1, 21016156653), (3, 7005385551), (9, 2335128517), (17, 1236244509), (29, 724695057), (51, 412081503), (87, 241565019), (107, 196412679), (153, 137360501), (261, 80521673), (321, 65470893), (493, 42629121), (963, 21823631), (1479, 14209707), (1819, 11553687), (3103, 6772851), (4437, 4736569), (5457, 3851229), (9309, 2257617), (16371, 1283743), (27927, 752539), (44267, 474759), (52751, 398403), (132801, 158253)]