21676396

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{347}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 45835776

約数和(自身を除く): 24159380

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 97, 161, 194, 322, 347, 388, 644, 679, 694, 1358, 1388, 2231, 2429, 2716, 4462, 4858, 7981, 8924, 9716, 15617, 15962, 31234, 31924, 33659, 55867, 62468, 67318, 111734, 134636, 223468, 235613, 471226, 774157, 942452, 1548314, 3096628, 5419099, 10838198, 21676396]

約数ペア:

[(1, 21676396), (2, 10838198), (4, 5419099), (7, 3096628), (14, 1548314), (23, 942452), (28, 774157), (46, 471226), (92, 235613), (97, 223468), (161, 134636), (194, 111734), (322, 67318), (347, 62468), (388, 55867), (644, 33659), (679, 31924), (694, 31234), (1358, 15962), (1388, 15617), (2231, 9716), (2429, 8924), (2716, 7981), (4462, 4858)]