21000921620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{150006583}}^1$

素因数の和:150006599

約数の個数: 24

約数和(自身を含む): 50402212224

約数和(自身を除く): 29401290604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 150006583, 300013166, 600026332, 750032915, 1050046081, 1500065830, 2100092162, 3000131660, 4200184324, 5250230405, 10500460810, 21000921620]

約数ペア:

[(1, 21000921620), (2, 10500460810), (4, 5250230405), (5, 4200184324), (7, 3000131660), (10, 2100092162), (14, 1500065830), (20, 1050046081), (28, 750032915), (35, 600026332), (70, 300013166), (140, 150006583)]