21995666

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{613}}^1$

素因数の和:866

約数の個数: 32

約数和(自身を含む): 41378688

約数和(自身を除く): 19383022

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 233, 466, 613, 1226, 1631, 2563, 3262, 4291, 5126, 6743, 8582, 13486, 17941, 35882, 47201, 94402, 142829, 285658, 999803, 1571119, 1999606, 3142238, 10997833, 21995666]

約数ペア:

[(1, 21995666), (2, 10997833), (7, 3142238), (11, 1999606), (14, 1571119), (22, 999803), (77, 285658), (154, 142829), (233, 94402), (466, 47201), (613, 35882), (1226, 17941), (1631, 13486), (2563, 8582), (3262, 6743), (4291, 5126)]