21250686

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2657}}^1$

素因数の和:2736

約数の個数: 32

約数和(自身を含む): 44909568

約数和(自身を除く): 23658882

約数列:

[1, 2, 3, 6, 31, 43, 62, 86, 93, 129, 186, 258, 1333, 2657, 2666, 3999, 5314, 7971, 7998, 15942, 82367, 114251, 164734, 228502, 247101, 342753, 494202, 685506, 3541781, 7083562, 10625343, 21250686]

約数ペア:

[(1, 21250686), (2, 10625343), (3, 7083562), (6, 3541781), (31, 685506), (43, 494202), (62, 342753), (86, 247101), (93, 228502), (129, 164734), (186, 114251), (258, 82367), (1333, 15942), (2657, 7998), (2666, 7971), (3999, 5314)]