21471174

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{313}}^1$

素因数の和:461

約数の個数: 48

約数和(自身を含む): 48396192

約数和(自身を除く): 26925018

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 103, 111, 206, 222, 309, 313, 333, 618, 626, 666, 927, 939, 1854, 1878, 2817, 3811, 5634, 7622, 11433, 11581, 22866, 23162, 32239, 34299, 34743, 64478, 68598, 69486, 96717, 104229, 193434, 208458, 290151, 580302, 1192843, 2385686, 3578529, 7157058, 10735587, 21471174]

約数ペア:

[(1, 21471174), (2, 10735587), (3, 7157058), (6, 3578529), (9, 2385686), (18, 1192843), (37, 580302), (74, 290151), (103, 208458), (111, 193434), (206, 104229), (222, 96717), (309, 69486), (313, 68598), (333, 64478), (618, 34743), (626, 34299), (666, 32239), (927, 23162), (939, 22866), (1854, 11581), (1878, 11433), (2817, 7622), (3811, 5634)]