21375660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{356261}}^1$

素因数の和:356273

約数の個数: 24

約数和(自身を含む): 59852016

約数和(自身を除く): 38476356

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 356261, 712522, 1068783, 1425044, 1781305, 2137566, 3562610, 4275132, 5343915, 7125220, 10687830, 21375660]

約数ペア:

[(1, 21375660), (2, 10687830), (3, 7125220), (4, 5343915), (5, 4275132), (6, 3562610), (10, 2137566), (12, 1781305), (15, 1425044), (20, 1068783), (30, 712522), (60, 356261)]