21388333010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3187531}}^1$

素因数の和:3187610

約数の個数: 32

約数和(自身を含む): 42687428544

約数和(自身を除く): 21299095534

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 110, 122, 305, 610, 671, 1342, 3355, 6710, 3187531, 6375062, 15937655, 31875310, 35062841, 70125682, 175314205, 194439391, 350628410, 388878782, 972196955, 1944393910, 2138833301, 4277666602, 10694166505, 21388333010]

約数ペア:

[(1, 21388333010), (2, 10694166505), (5, 4277666602), (10, 2138833301), (11, 1944393910), (22, 972196955), (55, 388878782), (61, 350628410), (110, 194439391), (122, 175314205), (305, 70125682), (610, 35062841), (671, 31875310), (1342, 15937655), (3355, 6375062), (6710, 3187531)]