21000398523

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{12522599}}^1$

素因数の和:12522658

約数の個数: 16

約数和(自身を含む): 30855686400

約数和(自身を除く): 9855287877

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 12522599, 37567797, 162793787, 488381361, 538471757, 1615415271, 7000132841, 21000398523]

約数ペア:

[(1, 21000398523), (3, 7000132841), (13, 1615415271), (39, 538471757), (43, 488381361), (129, 162793787), (559, 37567797), (1677, 12522599)]