21167662340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{899221}}^1$

素因数の和:899348

約数の個数: 48

約数和(自身を含む): 48946451904

約数和(自身を除く): 27778789564

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 214, 220, 428, 535, 1070, 1177, 2140, 2354, 4708, 5885, 11770, 23540, 899221, 1798442, 3596884, 4496105, 8992210, 9891431, 17984420, 19782862, 39565724, 49457155, 96216647, 98914310, 192433294, 197828620, 384866588, 481083235, 962166470, 1058383117, 1924332940, 2116766234, 4233532468, 5291915585, 10583831170, 21167662340]

約数ペア:

[(1, 21167662340), (2, 10583831170), (4, 5291915585), (5, 4233532468), (10, 2116766234), (11, 1924332940), (20, 1058383117), (22, 962166470), (44, 481083235), (55, 384866588), (107, 197828620), (110, 192433294), (214, 98914310), (220, 96216647), (428, 49457155), (535, 39565724), (1070, 19782862), (1177, 17984420), (2140, 9891431), (2354, 8992210), (4708, 4496105), (5885, 3596884), (11770, 1798442), (23540, 899221)]