21035277

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{349}}^1$

素因数の和:573

約数の個数: 24

約数和(自身を含む): 31467800

約数和(自身を除く): 10432523

約数列:

[1, 3, 9, 37, 111, 181, 333, 349, 543, 1047, 1629, 3141, 6697, 12913, 20091, 38739, 60273, 63169, 116217, 189507, 568521, 2337253, 7011759, 21035277]

約数ペア:

[(1, 21035277), (3, 7011759), (9, 2337253), (37, 568521), (111, 189507), (181, 116217), (333, 63169), (349, 60273), (543, 38739), (1047, 20091), (1629, 12913), (3141, 6697)]