21495060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{119417}}^1$

素因数の和:119432

約数の個数: 36

約数和(自身を含む): 65202228

約数和(自身を除く): 43707168

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 119417, 238834, 358251, 477668, 597085, 716502, 1074753, 1194170, 1433004, 1791255, 2149506, 2388340, 3582510, 4299012, 5373765, 7165020, 10747530, 21495060]

約数ペア:

[(1, 21495060), (2, 10747530), (3, 7165020), (4, 5373765), (5, 4299012), (6, 3582510), (9, 2388340), (10, 2149506), (12, 1791255), (15, 1433004), (18, 1194170), (20, 1074753), (30, 716502), (36, 597085), (45, 477668), (60, 358251), (90, 238834), (180, 119417)]