21876808

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{701}}^1$

素因数の和:837

約数の個数: 32

約数和(自身を含む): 42456960

約数和(自身を除く): 20580152

約数列:

[1, 2, 4, 8, 47, 83, 94, 166, 188, 332, 376, 664, 701, 1402, 2804, 3901, 5608, 7802, 15604, 31208, 32947, 58183, 65894, 116366, 131788, 232732, 263576, 465464, 2734601, 5469202, 10938404, 21876808]

約数ペア:

[(1, 21876808), (2, 10938404), (4, 5469202), (8, 2734601), (47, 465464), (83, 263576), (94, 232732), (166, 131788), (188, 116366), (332, 65894), (376, 58183), (664, 32947), (701, 31208), (1402, 15604), (2804, 7802), (3901, 5608)]