21584836

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3121}}^1$

素因数の和:3164

約数の個数: 48

約数和(自身を含む): 48952960

約数和(自身を除く): 27368124

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 364, 494, 532, 988, 1729, 3121, 3458, 6242, 6916, 12484, 21847, 40573, 43694, 59299, 81146, 87388, 118598, 162292, 237196, 284011, 415093, 568022, 770887, 830186, 1136044, 1541774, 1660372, 3083548, 5396209, 10792418, 21584836]

約数ペア:

[(1, 21584836), (2, 10792418), (4, 5396209), (7, 3083548), (13, 1660372), (14, 1541774), (19, 1136044), (26, 830186), (28, 770887), (38, 568022), (52, 415093), (76, 284011), (91, 237196), (133, 162292), (182, 118598), (247, 87388), (266, 81146), (364, 59299), (494, 43694), (532, 40573), (988, 21847), (1729, 12484), (3121, 6916), (3458, 6242)]