21463574

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{1987}}^1$

素因数の和:2491

約数の個数: 16

約数和(自身を含む): 35211456

約数和(自身を除く): 13747882

約数列:

[1, 2, 11, 22, 491, 982, 1987, 3974, 5401, 10802, 21857, 43714, 975617, 1951234, 10731787, 21463574]

約数ペア:

[(1, 21463574), (2, 10731787), (11, 1951234), (22, 975617), (491, 43714), (982, 21857), (1987, 10802), (3974, 5401)]