21034090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{463}}^1$

素因数の和:547

約数の個数: 64

約数和(自身を含む): 48107520

約数和(自身を除く): 27073430

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 59, 70, 77, 110, 118, 154, 295, 385, 413, 463, 590, 649, 770, 826, 926, 1298, 2065, 2315, 3241, 3245, 4130, 4543, 4630, 5093, 6482, 6490, 9086, 10186, 16205, 22715, 25465, 27317, 32410, 35651, 45430, 50930, 54634, 71302, 136585, 178255, 191219, 273170, 300487, 356510, 382438, 600974, 956095, 1502435, 1912190, 2103409, 3004870, 4206818, 10517045, 21034090]

約数ペア:

[(1, 21034090), (2, 10517045), (5, 4206818), (7, 3004870), (10, 2103409), (11, 1912190), (14, 1502435), (22, 956095), (35, 600974), (55, 382438), (59, 356510), (70, 300487), (77, 273170), (110, 191219), (118, 178255), (154, 136585), (295, 71302), (385, 54634), (413, 50930), (463, 45430), (590, 35651), (649, 32410), (770, 27317), (826, 25465), (926, 22715), (1298, 16205), (2065, 10186), (2315, 9086), (3241, 6490), (3245, 6482), (4130, 5093), (4543, 4630)]