21804060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{363401}}^1$

素因数の和:363413

約数の個数: 24

約数和(自身を含む): 61051536

約数和(自身を除く): 39247476

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 363401, 726802, 1090203, 1453604, 1817005, 2180406, 3634010, 4360812, 5451015, 7268020, 10902030, 21804060]

約数ペア:

[(1, 21804060), (2, 10902030), (3, 7268020), (4, 5451015), (5, 4360812), (6, 3634010), (10, 2180406), (12, 1817005), (15, 1453604), (20, 1090203), (30, 726802), (60, 363401)]