21598740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{119993}}^1$

素因数の和:120008

約数の個数: 36

約数和(自身を含む): 65516724

約数和(自身を除く): 43917984

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 119993, 239986, 359979, 479972, 599965, 719958, 1079937, 1199930, 1439916, 1799895, 2159874, 2399860, 3599790, 4319748, 5399685, 7199580, 10799370, 21598740]

約数ペア:

[(1, 21598740), (2, 10799370), (3, 7199580), (4, 5399685), (5, 4319748), (6, 3599790), (9, 2399860), (10, 2159874), (12, 1799895), (15, 1439916), (18, 1199930), (20, 1079937), (30, 719958), (36, 599965), (45, 479972), (60, 359979), (90, 239986), (180, 119993)]