21031859511

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{45659}}^1$

素因数の和:45836

約数の個数: 48

約数和(自身を含む): 34038251520

約数和(自身を除く): 13006392009

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 127, 279, 381, 403, 1143, 1209, 1651, 3627, 3937, 4953, 11811, 14859, 35433, 45659, 51181, 136977, 153543, 410931, 460629, 593567, 1415429, 1780701, 4246287, 5342103, 5798693, 12738861, 17396079, 18400577, 52188237, 55201731, 75383009, 165605193, 179759483, 226149027, 539278449, 678447081, 1617835347, 2336873279, 7010619837, 21031859511]

約数ペア:

[(1, 21031859511), (3, 7010619837), (9, 2336873279), (13, 1617835347), (31, 678447081), (39, 539278449), (93, 226149027), (117, 179759483), (127, 165605193), (279, 75383009), (381, 55201731), (403, 52188237), (1143, 18400577), (1209, 17396079), (1651, 12738861), (3627, 5798693), (3937, 5342103), (4953, 4246287), (11811, 1780701), (14859, 1415429), (35433, 593567), (45659, 460629), (51181, 410931), (136977, 153543)]