21494060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{153529}}^1$

素因数の和:153545

約数の個数: 24

約数和(自身を含む): 51586080

約数和(自身を除く): 30092020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 153529, 307058, 614116, 767645, 1074703, 1535290, 2149406, 3070580, 4298812, 5373515, 10747030, 21494060]

約数ペア:

[(1, 21494060), (2, 10747030), (4, 5373515), (5, 4298812), (7, 3070580), (10, 2149406), (14, 1535290), (20, 1074703), (28, 767645), (35, 614116), (70, 307058), (140, 153529)]