21962824

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{947}}^1$

素因数の和:1189

約数の個数: 32

約数和(自身を含む): 44593920

約数和(自身を除く): 22631096

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 223, 446, 892, 947, 1784, 1894, 2899, 3788, 5798, 7576, 11596, 12311, 23192, 24622, 49244, 98488, 211181, 422362, 844724, 1689448, 2745353, 5490706, 10981412, 21962824]

約数ペア:

[(1, 21962824), (2, 10981412), (4, 5490706), (8, 2745353), (13, 1689448), (26, 844724), (52, 422362), (104, 211181), (223, 98488), (446, 49244), (892, 24622), (947, 23192), (1784, 12311), (1894, 11596), (2899, 7576), (3788, 5798)]