42176421

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{15569}}^1$

素因数の和:15625

約数の個数: 24

約数和(自身を含む): 71248320

約数和(自身を除く): 29071899

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 15569, 46707, 108983, 140121, 326949, 669467, 980847, 2008401, 4686269, 6025203, 14058807, 42176421]

約数ペア:

[(1, 42176421), (3, 14058807), (7, 6025203), (9, 4686269), (21, 2008401), (43, 980847), (63, 669467), (129, 326949), (301, 140121), (387, 108983), (903, 46707), (2709, 15569)]