21369935

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{3541}}^1$

素因数の和:3634

約数の個数: 16

約数和(自身を含む): 27542592

約数和(自身を除く): 6172657

約数列:

[1, 5, 17, 71, 85, 355, 1207, 3541, 6035, 17705, 60197, 251411, 300985, 1257055, 4273987, 21369935]

約数ペア:

[(1, 21369935), (5, 4273987), (17, 1257055), (71, 300985), (85, 251411), (355, 60197), (1207, 17705), (3541, 6035)]