21155570354

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{197}}^1\times {\mathrm{11087}}^1$

素因数の和:11482

約数の個数: 32

約数和(自身を含む): 33194810880

約数和(自身を除く): 12039240526

約数列:

[1, 2, 29, 58, 167, 197, 334, 394, 4843, 5713, 9686, 11087, 11426, 22174, 32899, 65798, 321523, 643046, 954071, 1851529, 1908142, 2184139, 3703058, 4368278, 53694341, 63340031, 107388682, 126680062, 364751213, 729502426, 10577785177, 21155570354]

約数ペア:

[(1, 21155570354), (2, 10577785177), (29, 729502426), (58, 364751213), (167, 126680062), (197, 107388682), (334, 63340031), (394, 53694341), (4843, 4368278), (5713, 3703058), (9686, 2184139), (11087, 1908142), (11426, 1851529), (22174, 954071), (32899, 643046), (65798, 321523)]