21787922

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{8297}}^1$

素因数の和:8413

約数の個数: 16

約数和(自身を含む): 35548632

約数和(自身を除く): 13760710

約数列:

[1, 2, 13, 26, 101, 202, 1313, 2626, 8297, 16594, 107861, 215722, 837997, 1675994, 10893961, 21787922]

約数ペア:

[(1, 21787922), (2, 10893961), (13, 1675994), (26, 837997), (101, 215722), (202, 107861), (1313, 16594), (2626, 8297)]