21452220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{119179}}^1$

素因数の和:119194

約数の個数: 36

約数和(自身を含む): 65072280

約数和(自身を除く): 43620060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 119179, 238358, 357537, 476716, 595895, 715074, 1072611, 1191790, 1430148, 1787685, 2145222, 2383580, 3575370, 4290444, 5363055, 7150740, 10726110, 21452220]

約数ペア:

[(1, 21452220), (2, 10726110), (3, 7150740), (4, 5363055), (5, 4290444), (6, 3575370), (9, 2383580), (10, 2145222), (12, 1787685), (15, 1430148), (18, 1191790), (20, 1072611), (30, 715074), (36, 595895), (45, 476716), (60, 357537), (90, 238358), (180, 119179)]