21343515

素因数分解:

$3^1\times 5^1\times {\mathrm{719}}^1\times {\mathrm{1979}}^1$

素因数の和:2706

約数の個数: 16

約数和(自身を含む): 34214400

約数和(自身を除く): 12870885

約数列:

[1, 3, 5, 15, 719, 1979, 2157, 3595, 5937, 9895, 10785, 29685, 1422901, 4268703, 7114505, 21343515]

約数ペア:

[(1, 21343515), (3, 7114505), (5, 4268703), (15, 1422901), (719, 29685), (1979, 10785), (2157, 9895), (3595, 5937)]