21238590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{707953}}^1$

素因数の和:707963

約数の個数: 16

約数和(自身を含む): 50972688

約数和(自身を除く): 29734098

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 707953, 1415906, 2123859, 3539765, 4247718, 7079530, 10619295, 21238590]

約数ペア:

[(1, 21238590), (2, 10619295), (3, 7079530), (5, 4247718), (6, 3539765), (10, 2123859), (15, 1415906), (30, 707953)]