21485835

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{68209}}^1$

素因数の和:68227

約数の個数: 24

約数和(自身を含む): 42563040

約数和(自身を除く): 21077205

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 68209, 204627, 341045, 477463, 613881, 1023135, 1432389, 2387315, 3069405, 4297167, 7161945, 21485835]

約数ペア:

[(1, 21485835), (3, 7161945), (5, 4297167), (7, 3069405), (9, 2387315), (15, 1432389), (21, 1023135), (35, 613881), (45, 477463), (63, 341045), (105, 204627), (315, 68209)]