21154496

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{199}}^1$

素因数の和:373

約数の個数: 56

約数和(自身を含む): 46329600

約数和(自身を除く): 25175104

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 151, 176, 199, 302, 352, 398, 604, 704, 796, 1208, 1592, 1661, 2189, 2416, 3184, 3322, 4378, 4832, 6368, 6644, 8756, 9664, 12736, 13288, 17512, 26576, 30049, 35024, 53152, 60098, 70048, 106304, 120196, 140096, 240392, 330539, 480784, 661078, 961568, 1322156, 1923136, 2644312, 5288624, 10577248, 21154496]

約数ペア:

[(1, 21154496), (2, 10577248), (4, 5288624), (8, 2644312), (11, 1923136), (16, 1322156), (22, 961568), (32, 661078), (44, 480784), (64, 330539), (88, 240392), (151, 140096), (176, 120196), (199, 106304), (302, 70048), (352, 60098), (398, 53152), (604, 35024), (704, 30049), (796, 26576), (1208, 17512), (1592, 13288), (1661, 12736), (2189, 9664), (2416, 8756), (3184, 6644), (3322, 6368), (4378, 4832)]