21760666

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1\times {\mathrm{631}}^1$

素因数の和:1077

約数の個数: 16

約数和(自身を含む): 33536448

約数和(自身を除く): 11775782

約数列:

[1, 2, 43, 86, 401, 631, 802, 1262, 17243, 27133, 34486, 54266, 253031, 506062, 10880333, 21760666]

約数ペア:

[(1, 21760666), (2, 10880333), (43, 506062), (86, 253031), (401, 54266), (631, 34486), (802, 27133), (1262, 17243)]