21679436845

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{367}}^1\times {\mathrm{6841}}^1$

素因数の和:7381

約数の個数: 32

約数和(自身を含む): 28643129856

約数和(自身を除く): 6963693011

約数列:

[1, 5, 11, 55, 157, 367, 785, 1727, 1835, 4037, 6841, 8635, 20185, 34205, 57619, 75251, 288095, 376255, 633809, 1074037, 2510647, 3169045, 5370185, 11814407, 12553235, 27617117, 59072035, 138085585, 394171579, 1970857895, 4335887369, 21679436845]

約数ペア:

[(1, 21679436845), (5, 4335887369), (11, 1970857895), (55, 394171579), (157, 138085585), (367, 59072035), (785, 27617117), (1727, 12553235), (1835, 11814407), (4037, 5370185), (6841, 3169045), (8635, 2510647), (20185, 1074037), (34205, 633809), (57619, 376255), (75251, 288095)]