21376359

素因数分解:

$3^3\times {\mathrm{179}}^1\times {\mathrm{4423}}^1$

素因数の和:4611

約数の個数: 16

約数和(自身を含む): 31852800

約数和(自身を除く): 10476441

約数列:

[1, 3, 9, 27, 179, 537, 1611, 4423, 4833, 13269, 39807, 119421, 791717, 2375151, 7125453, 21376359]

約数ペア:

[(1, 21376359), (3, 7125453), (9, 2375151), (27, 791717), (179, 119421), (537, 39807), (1611, 13269), (4423, 4833)]