21059555

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{463}}^1\times {\mathrm{827}}^1$

素因数の和:1306

約数の個数: 16

約数和(自身を含む): 27661824

約数和(自身を除く): 6602269

約数列:

[1, 5, 11, 55, 463, 827, 2315, 4135, 5093, 9097, 25465, 45485, 382901, 1914505, 4211911, 21059555]

約数ペア:

[(1, 21059555), (5, 4211911), (11, 1914505), (55, 382901), (463, 45485), (827, 25465), (2315, 9097), (4135, 5093)]