21834927

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{6269}}^1$

素因数の和:6324

約数の個数: 20

約数和(自身を含む): 33381480

約数和(自身を除く): 11546553

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 6269, 18807, 56421, 169263, 269567, 507789, 808701, 2426103, 7278309, 21834927]

約数ペア:

[(1, 21834927), (3, 7278309), (9, 2426103), (27, 808701), (43, 507789), (81, 269567), (129, 169263), (387, 56421), (1161, 18807), (3483, 6269)]