21234224

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:234

約数の個数: 80

約数和(自身を含む): 48854016

約数和(自身を除く): 27619792

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 47, 68, 88, 94, 136, 151, 176, 187, 188, 272, 302, 374, 376, 517, 604, 748, 752, 799, 1034, 1208, 1496, 1598, 1661, 2068, 2416, 2567, 2992, 3196, 3322, 4136, 5134, 6392, 6644, 7097, 8272, 8789, 10268, 12784, 13288, 14194, 17578, 20536, 26576, 28237, 28388, 35156, 41072, 56474, 56776, 70312, 78067, 112948, 113552, 120649, 140624, 156134, 225896, 241298, 312268, 451792, 482596, 624536, 965192, 1249072, 1327139, 1930384, 2654278, 5308556, 10617112, 21234224]

約数ペア:

[(1, 21234224), (2, 10617112), (4, 5308556), (8, 2654278), (11, 1930384), (16, 1327139), (17, 1249072), (22, 965192), (34, 624536), (44, 482596), (47, 451792), (68, 312268), (88, 241298), (94, 225896), (136, 156134), (151, 140624), (176, 120649), (187, 113552), (188, 112948), (272, 78067), (302, 70312), (374, 56776), (376, 56474), (517, 41072), (604, 35156), (748, 28388), (752, 28237), (799, 26576), (1034, 20536), (1208, 17578), (1496, 14194), (1598, 13288), (1661, 12784), (2068, 10268), (2416, 8789), (2567, 8272), (2992, 7097), (3196, 6644), (3322, 6392), (4136, 5134)]