21682620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{40153}}^1$

素因数の和:40171

約数の個数: 48

約数和(自身を含む): 67458720

約数和(自身を除く): 45776100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 40153, 80306, 120459, 160612, 200765, 240918, 361377, 401530, 481836, 602295, 722754, 803060, 1084131, 1204590, 1445508, 1806885, 2168262, 2409180, 3613770, 4336524, 5420655, 7227540, 10841310, 21682620]

約数ペア:

[(1, 21682620), (2, 10841310), (3, 7227540), (4, 5420655), (5, 4336524), (6, 3613770), (9, 2409180), (10, 2168262), (12, 1806885), (15, 1445508), (18, 1204590), (20, 1084131), (27, 803060), (30, 722754), (36, 602295), (45, 481836), (54, 401530), (60, 361377), (90, 240918), (108, 200765), (135, 160612), (180, 120459), (270, 80306), (540, 40153)]