21544864

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{631}}^1$

素因数の和:749

約数の個数: 48

約数和(自身を含む): 46823616

約数和(自身を除く): 25278752

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 97, 176, 194, 352, 388, 631, 776, 1067, 1262, 1552, 2134, 2524, 3104, 4268, 5048, 6941, 8536, 10096, 13882, 17072, 20192, 27764, 34144, 55528, 61207, 111056, 122414, 222112, 244828, 489656, 673277, 979312, 1346554, 1958624, 2693108, 5386216, 10772432, 21544864]

約数ペア:

[(1, 21544864), (2, 10772432), (4, 5386216), (8, 2693108), (11, 1958624), (16, 1346554), (22, 979312), (32, 673277), (44, 489656), (88, 244828), (97, 222112), (176, 122414), (194, 111056), (352, 61207), (388, 55528), (631, 34144), (776, 27764), (1067, 20192), (1262, 17072), (1552, 13882), (2134, 10096), (2524, 8536), (3104, 6941), (4268, 5048)]