21272576

素因数分解:

$2^{11}\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:99

約数の個数: 96

約数和(自身を含む): 49533120

約数和(自身を除く): 28260544

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 47, 52, 64, 68, 94, 104, 128, 136, 188, 208, 221, 256, 272, 376, 416, 442, 512, 544, 611, 752, 799, 832, 884, 1024, 1088, 1222, 1504, 1598, 1664, 1768, 2048, 2176, 2444, 3008, 3196, 3328, 3536, 4352, 4888, 6016, 6392, 6656, 7072, 8704, 9776, 10387, 12032, 12784, 13312, 14144, 17408, 19552, 20774, 24064, 25568, 26624, 28288, 34816, 39104, 41548, 48128, 51136, 56576, 78208, 83096, 96256, 102272, 113152, 156416, 166192, 204544, 226304, 312832, 332384, 409088, 452608, 625664, 664768, 818176, 1251328, 1329536, 1636352, 2659072, 5318144, 10636288, 21272576]

約数ペア:

[(1, 21272576), (2, 10636288), (4, 5318144), (8, 2659072), (13, 1636352), (16, 1329536), (17, 1251328), (26, 818176), (32, 664768), (34, 625664), (47, 452608), (52, 409088), (64, 332384), (68, 312832), (94, 226304), (104, 204544), (128, 166192), (136, 156416), (188, 113152), (208, 102272), (221, 96256), (256, 83096), (272, 78208), (376, 56576), (416, 51136), (442, 48128), (512, 41548), (544, 39104), (611, 34816), (752, 28288), (799, 26624), (832, 25568), (884, 24064), (1024, 20774), (1088, 19552), (1222, 17408), (1504, 14144), (1598, 13312), (1664, 12784), (1768, 12032), (2048, 10387), (2176, 9776), (2444, 8704), (3008, 7072), (3196, 6656), (3328, 6392), (3536, 6016), (4352, 4888)]