21646912

素因数分解:

$2^6\times 7^1\times {\mathrm{211}}^1\times {\mathrm{229}}^1$

素因数の和:459

約数の個数: 56

約数和(自身を含む): 49540160

約数和(自身を除く): 27893248

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 211, 224, 229, 422, 448, 458, 844, 916, 1477, 1603, 1688, 1832, 2954, 3206, 3376, 3664, 5908, 6412, 6752, 7328, 11816, 12824, 13504, 14656, 23632, 25648, 47264, 48319, 51296, 94528, 96638, 102592, 193276, 338233, 386552, 676466, 773104, 1352932, 1546208, 2705864, 3092416, 5411728, 10823456, 21646912]

約数ペア:

[(1, 21646912), (2, 10823456), (4, 5411728), (7, 3092416), (8, 2705864), (14, 1546208), (16, 1352932), (28, 773104), (32, 676466), (56, 386552), (64, 338233), (112, 193276), (211, 102592), (224, 96638), (229, 94528), (422, 51296), (448, 48319), (458, 47264), (844, 25648), (916, 23632), (1477, 14656), (1603, 13504), (1688, 12824), (1832, 11816), (2954, 7328), (3206, 6752), (3376, 6412), (3664, 5908)]