21957208

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{30161}}^1$

素因数の和:30187

約数の個数: 32

約数和(自身を含む): 50672160

約数和(自身を除く): 28714952

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 30161, 60322, 120644, 211127, 241288, 392093, 422254, 784186, 844508, 1568372, 1689016, 2744651, 3136744, 5489302, 10978604, 21957208]

約数ペア:

[(1, 21957208), (2, 10978604), (4, 5489302), (7, 3136744), (8, 2744651), (13, 1689016), (14, 1568372), (26, 844508), (28, 784186), (52, 422254), (56, 392093), (91, 241288), (104, 211127), (182, 120644), (364, 60322), (728, 30161)]