21178777724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{122051}}^1$

素因数の和:122186

約数の個数: 48

約数和(自身を含む): 41337547776

約数和(自身を除く): 20158770052

約数列:

[1, 2, 4, 13, 26, 47, 52, 71, 94, 142, 188, 284, 611, 923, 1222, 1846, 2444, 3337, 3692, 6674, 13348, 43381, 86762, 122051, 173524, 244102, 488204, 1586663, 3173326, 5736397, 6346652, 8665621, 11472794, 17331242, 22945588, 34662484, 74573161, 112653073, 149146322, 225306146, 298292644, 407284187, 450612292, 814568374, 1629136748, 5294694431, 10589388862, 21178777724]

約数ペア:

[(1, 21178777724), (2, 10589388862), (4, 5294694431), (13, 1629136748), (26, 814568374), (47, 450612292), (52, 407284187), (71, 298292644), (94, 225306146), (142, 149146322), (188, 112653073), (284, 74573161), (611, 34662484), (923, 22945588), (1222, 17331242), (1846, 11472794), (2444, 8665621), (3337, 6346652), (3692, 5736397), (6674, 3173326), (13348, 1586663), (43381, 488204), (86762, 244102), (122051, 173524)]