21564438

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{513439}}^1$

素因数の和:513451

約数の個数: 16

約数和(自身を含む): 49290240

約数和(自身を除く): 27725802

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 513439, 1026878, 1540317, 3080634, 3594073, 7188146, 10782219, 21564438]

約数ペア:

[(1, 21564438), (2, 10782219), (3, 7188146), (6, 3594073), (7, 3080634), (14, 1540317), (21, 1026878), (42, 513439)]