21872580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{364543}}^1$

素因数の和:364555

約数の個数: 24

約数和(自身を含む): 61243392

約数和(自身を除く): 39370812

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 364543, 729086, 1093629, 1458172, 1822715, 2187258, 3645430, 4374516, 5468145, 7290860, 10936290, 21872580]

約数ペア:

[(1, 21872580), (2, 10936290), (3, 7290860), (4, 5468145), (5, 4374516), (6, 3645430), (10, 2187258), (12, 1822715), (15, 1458172), (20, 1093629), (30, 729086), (60, 364543)]