21626576

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{367}}^1$

素因数の和:531

約数の個数: 40

約数和(自身を含む): 43806720

約数和(自身を除く): 22180144

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 127, 232, 254, 367, 464, 508, 734, 1016, 1468, 2032, 2936, 3683, 5872, 7366, 10643, 14732, 21286, 29464, 42572, 46609, 58928, 85144, 93218, 170288, 186436, 372872, 745744, 1351661, 2703322, 5406644, 10813288, 21626576]

約数ペア:

[(1, 21626576), (2, 10813288), (4, 5406644), (8, 2703322), (16, 1351661), (29, 745744), (58, 372872), (116, 186436), (127, 170288), (232, 93218), (254, 85144), (367, 58928), (464, 46609), (508, 42572), (734, 29464), (1016, 21286), (1468, 14732), (2032, 10643), (2936, 7366), (3683, 5872)]