21042691656

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{125254117}}^1$

素因数の和:125254133

約数の個数: 32

約数和(自身を含む): 60121976640

約数和(自身を除く): 39079284984

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 125254117, 250508234, 375762351, 501016468, 751524702, 876778819, 1002032936, 1503049404, 1753557638, 2630336457, 3006098808, 3507115276, 5260672914, 7014230552, 10521345828, 21042691656]

約数ペア:

[(1, 21042691656), (2, 10521345828), (3, 7014230552), (4, 5260672914), (6, 3507115276), (7, 3006098808), (8, 2630336457), (12, 1753557638), (14, 1503049404), (21, 1002032936), (24, 876778819), (28, 751524702), (42, 501016468), (56, 375762351), (84, 250508234), (168, 125254117)]