21073368

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 33358632

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 83, 142, 149, 166, 213, 249, 284, 298, 332, 426, 447, 498, 568, 596, 664, 852, 894, 996, 1192, 1704, 1788, 1992, 3576, 5893, 10579, 11786, 12367, 17679, 21158, 23572, 24734, 31737, 35358, 37101, 42316, 47144, 49468, 63474, 70716, 74202, 84632, 98936, 126948, 141432, 148404, 253896, 296808, 878057, 1756114, 2634171, 3512228, 5268342, 7024456, 10536684, 21073368]

約数ペア:

[(1, 21073368), (2, 10536684), (3, 7024456), (4, 5268342), (6, 3512228), (8, 2634171), (12, 1756114), (24, 878057), (71, 296808), (83, 253896), (142, 148404), (149, 141432), (166, 126948), (213, 98936), (249, 84632), (284, 74202), (298, 70716), (332, 63474), (426, 49468), (447, 47144), (498, 42316), (568, 37101), (596, 35358), (664, 31737), (852, 24734), (894, 23572), (996, 21158), (1192, 17679), (1704, 12367), (1788, 11786), (1992, 10579), (3576, 5893)]