21878889128

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{574913}}^1$

素因数の和:575057

約数の個数: 32

約数和(自身を含む): 42221684160

約数和(自身を除く): 20342795032

約数列:

[1, 2, 4, 8, 67, 71, 134, 142, 268, 284, 536, 568, 4757, 9514, 19028, 38056, 574913, 1149826, 2299652, 4599304, 38519171, 40818823, 77038342, 81637646, 154076684, 163275292, 308153368, 326550584, 2734861141, 5469722282, 10939444564, 21878889128]

約数ペア:

[(1, 21878889128), (2, 10939444564), (4, 5469722282), (8, 2734861141), (67, 326550584), (71, 308153368), (134, 163275292), (142, 154076684), (268, 81637646), (284, 77038342), (536, 40818823), (568, 38519171), (4757, 4599304), (9514, 2299652), (19028, 1149826), (38056, 574913)]