21204060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{353401}}^1$

素因数の和:353413

約数の個数: 24

約数和(自身を含む): 59371536

約数和(自身を除く): 38167476

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 353401, 706802, 1060203, 1413604, 1767005, 2120406, 3534010, 4240812, 5301015, 7068020, 10602030, 21204060]

約数ペア:

[(1, 21204060), (2, 10602030), (3, 7068020), (4, 5301015), (5, 4240812), (6, 3534010), (10, 2120406), (12, 1767005), (15, 1413604), (20, 1060203), (30, 706802), (60, 353401)]