21289864074

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{677}}^1\times {\mathrm{121889}}^1$

素因数の和:122614

約数の個数: 32

約数和(自身を含む): 43634669760

約数和(自身を除く): 22344805686

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 677, 1354, 2031, 4062, 29111, 58222, 87333, 121889, 174666, 243778, 365667, 731334, 5241227, 10482454, 15723681, 31447362, 82518853, 165037706, 247556559, 495113118, 3548310679, 7096621358, 10644932037, 21289864074]

約数ペア:

[(1, 21289864074), (2, 10644932037), (3, 7096621358), (6, 3548310679), (43, 495113118), (86, 247556559), (129, 165037706), (258, 82518853), (677, 31447362), (1354, 15723681), (2031, 10482454), (4062, 5241227), (29111, 731334), (58222, 365667), (87333, 243778), (121889, 174666)]