21903428305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{3527}}^1\times {\mathrm{112913}}^1$

素因数の和:116456

約数の個数: 16

約数和(自身を含む): 28681962624

約数和(自身を除く): 6778534319

約数列:

[1, 5, 11, 55, 3527, 17635, 38797, 112913, 193985, 564565, 1242043, 6210215, 398244151, 1991220755, 4380685661, 21903428305]

約数ペア:

[(1, 21903428305), (5, 4380685661), (11, 1991220755), (55, 398244151), (3527, 6210215), (17635, 1242043), (38797, 564565), (112913, 193985)]