21240330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{708011}}^1$

素因数の和:708021

約数の個数: 16

約数和(自身を含む): 50976864

約数和(自身を除く): 29736534

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 708011, 1416022, 2124033, 3540055, 4248066, 7080110, 10620165, 21240330]

約数ペア:

[(1, 21240330), (2, 10620165), (3, 7080110), (5, 4248066), (6, 3540055), (10, 2124033), (15, 1416022), (30, 708011)]