21120700

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{7283}}^1$

素因数の和:7326

約数の個数: 36

約数和(自身を含む): 47418840

約数和(自身を除く): 26298140

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 2900, 7283, 14566, 29132, 36415, 72830, 145660, 182075, 211207, 364150, 422414, 728300, 844828, 1056035, 2112070, 4224140, 5280175, 10560350, 21120700]

約数ペア:

[(1, 21120700), (2, 10560350), (4, 5280175), (5, 4224140), (10, 2112070), (20, 1056035), (25, 844828), (29, 728300), (50, 422414), (58, 364150), (100, 211207), (116, 182075), (145, 145660), (290, 72830), (580, 36415), (725, 29132), (1450, 14566), (2900, 7283)]