21082685444

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{449}}^1\times {\mathrm{1069}}^1$

素因数の和:1740

約数の個数: 48

約数和(自身を含む): 37749600000

約数和(自身を除く): 16666914556

約数列:

[1, 2, 4, 79, 139, 158, 278, 316, 449, 556, 898, 1069, 1796, 2138, 4276, 10981, 21962, 35471, 43924, 62411, 70942, 84451, 124822, 141884, 148591, 168902, 249644, 297182, 337804, 479981, 594364, 959962, 1919924, 4930469, 9860938, 11738689, 19721876, 23477378, 37918499, 46954756, 66717359, 75836998, 133434718, 151673996, 266869436, 5270671361, 10541342722, 21082685444]

約数ペア:

[(1, 21082685444), (2, 10541342722), (4, 5270671361), (79, 266869436), (139, 151673996), (158, 133434718), (278, 75836998), (316, 66717359), (449, 46954756), (556, 37918499), (898, 23477378), (1069, 19721876), (1796, 11738689), (2138, 9860938), (4276, 4930469), (10981, 1919924), (21962, 959962), (35471, 594364), (43924, 479981), (62411, 337804), (70942, 297182), (84451, 249644), (124822, 168902), (141884, 148591)]