21415804553

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{52127}}^1$

素因数の和:52194

約数の個数: 32

約数和(自身を含む): 26797962240

約数和(自身を除く): 5382157687

約数列:

[1, 11, 13, 17, 143, 169, 187, 221, 1859, 2197, 2431, 2873, 24167, 31603, 37349, 52127, 410839, 573397, 677651, 886159, 7454161, 8809463, 9747749, 11520067, 96904093, 114523019, 126720737, 149760871, 1259753209, 1647369581, 1946891323, 21415804553]

約数ペア:

[(1, 21415804553), (11, 1946891323), (13, 1647369581), (17, 1259753209), (143, 149760871), (169, 126720737), (187, 114523019), (221, 96904093), (1859, 11520067), (2197, 9747749), (2431, 8809463), (2873, 7454161), (24167, 886159), (31603, 677651), (37349, 573397), (52127, 410839)]