21481812

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3191}}^1$

素因数の和:3229

約数の個数: 72

約数和(自身を含む): 62741952

約数和(自身を除く): 41260140

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 17, 18, 22, 33, 34, 36, 44, 51, 66, 68, 99, 102, 132, 153, 187, 198, 204, 306, 374, 396, 561, 612, 748, 1122, 1683, 2244, 3191, 3366, 6382, 6732, 9573, 12764, 19146, 28719, 35101, 38292, 54247, 57438, 70202, 105303, 108494, 114876, 140404, 162741, 210606, 216988, 315909, 325482, 421212, 488223, 596717, 631818, 650964, 976446, 1193434, 1263636, 1790151, 1952892, 2386868, 3580302, 5370453, 7160604, 10740906, 21481812]

約数ペア:

[(1, 21481812), (2, 10740906), (3, 7160604), (4, 5370453), (6, 3580302), (9, 2386868), (11, 1952892), (12, 1790151), (17, 1263636), (18, 1193434), (22, 976446), (33, 650964), (34, 631818), (36, 596717), (44, 488223), (51, 421212), (66, 325482), (68, 315909), (99, 216988), (102, 210606), (132, 162741), (153, 140404), (187, 114876), (198, 108494), (204, 105303), (306, 70202), (374, 57438), (396, 54247), (561, 38292), (612, 35101), (748, 28719), (1122, 19146), (1683, 12764), (2244, 9573), (3191, 6732), (3366, 6382)]