21670060

素因数分解:

$2^2\times 5^1\times {\mathrm{829}}^1\times {\mathrm{1307}}^1$

素因数の和:2145

約数の個数: 24

約数和(自身を含む): 45596880

約数和(自身を除く): 23926820

約数列:

[1, 2, 4, 5, 10, 20, 829, 1307, 1658, 2614, 3316, 4145, 5228, 6535, 8290, 13070, 16580, 26140, 1083503, 2167006, 4334012, 5417515, 10835030, 21670060]

約数ペア:

[(1, 21670060), (2, 10835030), (4, 5417515), (5, 4334012), (10, 2167006), (20, 1083503), (829, 26140), (1307, 16580), (1658, 13070), (2614, 8290), (3316, 6535), (4145, 5228)]