21023365

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{9323}}^1$

素因数の和:9380

約数の個数: 16

約数和(自身を含む): 28195776

約数和(自身を除く): 7172411

約数列:

[1, 5, 11, 41, 55, 205, 451, 2255, 9323, 46615, 102553, 382243, 512765, 1911215, 4204673, 21023365]

約数ペア:

[(1, 21023365), (5, 4204673), (11, 1911215), (41, 512765), (55, 382243), (205, 102553), (451, 46615), (2255, 9323)]