21851156

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{563}}^1$

素因数の和:911

約数の個数: 24

約数和(自身を含む): 39669504

約数和(自身を除く): 17818348

約数列:

[1, 2, 4, 31, 62, 124, 313, 563, 626, 1126, 1252, 2252, 9703, 17453, 19406, 34906, 38812, 69812, 176219, 352438, 704876, 5462789, 10925578, 21851156]

約数ペア:

[(1, 21851156), (2, 10925578), (4, 5462789), (31, 704876), (62, 352438), (124, 176219), (313, 69812), (563, 38812), (626, 34906), (1126, 19406), (1252, 17453), (2252, 9703)]