21049895061

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{5711}}^1\times {\mathrm{10501}}^1$

素因数の和:16234

約数の個数: 32

約数和(自身を含む): 33592957440

約数和(自身を除く): 12543062379

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 5711, 10501, 17133, 31503, 51399, 74243, 94509, 136513, 154197, 222729, 283527, 409539, 668187, 1228617, 2004561, 3685851, 59971211, 179913633, 539740899, 779625743, 1619222697, 2338877229, 7016631687, 21049895061]

約数ペア:

[(1, 21049895061), (3, 7016631687), (9, 2338877229), (13, 1619222697), (27, 779625743), (39, 539740899), (117, 179913633), (351, 59971211), (5711, 3685851), (10501, 2004561), (17133, 1228617), (31503, 668187), (51399, 409539), (74243, 283527), (94509, 222729), (136513, 154197)]