21461204

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{1223}}^1$

素因数の和:1375

約数の個数: 24

約数和(自身を含む): 38864448

約数和(自身を除く): 17403244

約数列:

[1, 2, 4, 41, 82, 107, 164, 214, 428, 1223, 2446, 4387, 4892, 8774, 17548, 50143, 100286, 130861, 200572, 261722, 523444, 5365301, 10730602, 21461204]

約数ペア:

[(1, 21461204), (2, 10730602), (4, 5365301), (41, 523444), (82, 261722), (107, 200572), (164, 130861), (214, 100286), (428, 50143), (1223, 17548), (2446, 8774), (4387, 4892)]