21189415009

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{1907}}^1\times {\mathrm{13339}}^1$

素因数の和:15277

約数の個数: 24

約数和(自身を含む): 26114490720

約数和(自身を除く): 4925075711

約数列:

[1, 7, 17, 49, 119, 833, 1907, 13339, 13349, 32419, 93373, 93443, 226763, 226933, 653611, 1587341, 1588531, 11111387, 25437473, 178062311, 432437041, 1246436177, 3027059287, 21189415009]

約数ペア:

[(1, 21189415009), (7, 3027059287), (17, 1246436177), (49, 432437041), (119, 178062311), (833, 25437473), (1907, 11111387), (13339, 1588531), (13349, 1587341), (32419, 653611), (93373, 226933), (93443, 226763)]