21860363

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{769}}^1$

素因数の和:938

約数の個数: 16

約数和(自身を含む): 26019840

約数和(自身を除く): 4159477

約数列:

[1, 7, 31, 131, 217, 769, 917, 4061, 5383, 23839, 28427, 100739, 166873, 705173, 3122909, 21860363]

約数ペア:

[(1, 21860363), (7, 3122909), (31, 705173), (131, 166873), (217, 100739), (769, 28427), (917, 23839), (4061, 5383)]