21269091

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{5279}}^1$

素因数の和:5378

約数の個数: 16

約数和(自身を含む): 30412800

約数和(自身を除く): 9143709

約数列:

[1, 3, 17, 51, 79, 237, 1343, 4029, 5279, 15837, 89743, 269229, 417041, 1251123, 7089697, 21269091]

約数ペア:

[(1, 21269091), (3, 7089697), (17, 1251123), (51, 417041), (79, 269229), (237, 89743), (1343, 15837), (4029, 5279)]