21813418

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{617}}^1\times {\mathrm{1607}}^1$

素因数の和:2237

約数の個数: 16

約数和(自身を含む): 35774784

約数和(自身を除く): 13961366

約数列:

[1, 2, 11, 22, 617, 1234, 1607, 3214, 6787, 13574, 17677, 35354, 991519, 1983038, 10906709, 21813418]

約数ペア:

[(1, 21813418), (2, 10906709), (11, 1983038), (22, 991519), (617, 35354), (1234, 17677), (1607, 13574), (3214, 6787)]