21753248

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2131}}^1$

素因数の和:2181

約数の個数: 48

約数和(自身を含む): 48353760

約数和(自身を除く): 26600512

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 32, 44, 58, 88, 116, 176, 232, 319, 352, 464, 638, 928, 1276, 2131, 2552, 4262, 5104, 8524, 10208, 17048, 23441, 34096, 46882, 61799, 68192, 93764, 123598, 187528, 247196, 375056, 494392, 679789, 750112, 988784, 1359578, 1977568, 2719156, 5438312, 10876624, 21753248]

約数ペア:

[(1, 21753248), (2, 10876624), (4, 5438312), (8, 2719156), (11, 1977568), (16, 1359578), (22, 988784), (29, 750112), (32, 679789), (44, 494392), (58, 375056), (88, 247196), (116, 187528), (176, 123598), (232, 93764), (319, 68192), (352, 61799), (464, 46882), (638, 34096), (928, 23441), (1276, 17048), (2131, 10208), (2552, 8524), (4262, 5104)]