21392426

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1217}}^1$

素因数の和:1294

約数の個数: 32

約数和(自身を含む): 37884672

約数和(自身を除く): 16492246

約数列:

[1, 2, 11, 17, 22, 34, 47, 94, 187, 374, 517, 799, 1034, 1217, 1598, 2434, 8789, 13387, 17578, 20689, 26774, 41378, 57199, 114398, 227579, 455158, 629189, 972383, 1258378, 1944766, 10696213, 21392426]

約数ペア:

[(1, 21392426), (2, 10696213), (11, 1944766), (17, 1258378), (22, 972383), (34, 629189), (47, 455158), (94, 227579), (187, 114398), (374, 57199), (517, 41378), (799, 26774), (1034, 20689), (1217, 17578), (1598, 13387), (2434, 8789)]