21878045275

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{2741}}^1\times {\mathrm{6793}}^1$

素因数の和:9591

約数の個数: 24

約数和(自身を含む): 27720172224

約数和(自身を除く): 5842126949

約数列:

[1, 5, 25, 47, 235, 1175, 2741, 6793, 13705, 33965, 68525, 128827, 169825, 319271, 644135, 1596355, 3220675, 7981775, 18619613, 93098065, 465490325, 875121811, 4375609055, 21878045275]

約数ペア:

[(1, 21878045275), (5, 4375609055), (25, 875121811), (47, 465490325), (235, 93098065), (1175, 18619613), (2741, 7981775), (6793, 3220675), (13705, 1596355), (33965, 644135), (68525, 319271), (128827, 169825)]