2021489260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{14439209}}^1$

素因数の和:14439225

約数の個数: 24

約数和(自身を含む): 4851574560

約数和(自身を除く): 2830085300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 14439209, 28878418, 57756836, 72196045, 101074463, 144392090, 202148926, 288784180, 404297852, 505372315, 1010744630, 2021489260]

約数ペア:

[(1, 2021489260), (2, 1010744630), (4, 505372315), (5, 404297852), (7, 288784180), (10, 202148926), (14, 144392090), (20, 101074463), (28, 72196045), (35, 57756836), (70, 28878418), (140, 14439209)]