21394087

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{89}}^1$

素因数の和:195

約数の個数: 24

約数和(自身を含む): 26051760

約数和(自身を除く): 4657673

約数列:

[1, 11, 13, 41, 89, 143, 451, 533, 979, 1157, 1681, 3649, 5863, 12727, 18491, 21853, 40139, 47437, 149609, 240383, 521807, 1645699, 1944917, 21394087]

約数ペア:

[(1, 21394087), (11, 1944917), (13, 1645699), (41, 521807), (89, 240383), (143, 149609), (451, 47437), (533, 40139), (979, 21853), (1157, 18491), (1681, 12727), (3649, 5863)]