21325117

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2719}}^1$

素因数の和:2784

約数の個数: 16

約数和(自身を含む): 25067520

約数和(自身を除く): 3742403

約数列:

[1, 11, 23, 31, 253, 341, 713, 2719, 7843, 29909, 62537, 84289, 687907, 927179, 1938647, 21325117]

約数ペア:

[(1, 21325117), (11, 1938647), (23, 927179), (31, 687907), (253, 84289), (341, 62537), (713, 29909), (2719, 7843)]