21181534

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 35750880

約数和(自身を除く): 14569346

約数列:

[1, 2, 11, 22, 73, 109, 121, 146, 218, 242, 803, 1199, 1331, 1606, 2398, 2662, 7957, 8833, 13189, 15914, 17666, 26378, 87527, 97163, 145079, 175054, 194326, 290158, 962797, 1925594, 10590767, 21181534]

約数ペア:

[(1, 21181534), (2, 10590767), (11, 1925594), (22, 962797), (73, 290158), (109, 194326), (121, 175054), (146, 145079), (218, 97163), (242, 87527), (803, 26378), (1199, 17666), (1331, 15914), (1606, 13189), (2398, 8833), (2662, 7957)]