21468696

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:416

約数の個数: 64

約数和(自身を含む): 55883520

約数和(自身を除く): 34414824

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 71, 86, 129, 142, 172, 213, 258, 284, 293, 344, 426, 516, 568, 586, 852, 879, 1032, 1172, 1704, 1758, 2344, 3053, 3516, 6106, 7032, 9159, 12212, 12599, 18318, 20803, 24424, 25198, 36636, 37797, 41606, 50396, 62409, 73272, 75594, 83212, 100792, 124818, 151188, 166424, 249636, 302376, 499272, 894529, 1789058, 2683587, 3578116, 5367174, 7156232, 10734348, 21468696]

約数ペア:

[(1, 21468696), (2, 10734348), (3, 7156232), (4, 5367174), (6, 3578116), (8, 2683587), (12, 1789058), (24, 894529), (43, 499272), (71, 302376), (86, 249636), (129, 166424), (142, 151188), (172, 124818), (213, 100792), (258, 83212), (284, 75594), (293, 73272), (344, 62409), (426, 50396), (516, 41606), (568, 37797), (586, 36636), (852, 25198), (879, 24424), (1032, 20803), (1172, 18318), (1704, 12599), (1758, 12212), (2344, 9159), (3053, 7032), (3516, 6106)]