21109750

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{4967}}^1$

素因数の和:5001

約数の個数: 32

約数和(自身を含む): 41850432

約数和(自身を除く): 20740682

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 425, 850, 2125, 4250, 4967, 9934, 24835, 49670, 84439, 124175, 168878, 248350, 422195, 620875, 844390, 1241750, 2110975, 4221950, 10554875, 21109750]

約数ペア:

[(1, 21109750), (2, 10554875), (5, 4221950), (10, 2110975), (17, 1241750), (25, 844390), (34, 620875), (50, 422195), (85, 248350), (125, 168878), (170, 124175), (250, 84439), (425, 49670), (850, 24835), (2125, 9934), (4250, 4967)]