21186180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{117701}}^1$

素因数の和:117716

約数の個数: 36

約数和(自身を含む): 64265292

約数和(自身を除く): 43079112

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 117701, 235402, 353103, 470804, 588505, 706206, 1059309, 1177010, 1412412, 1765515, 2118618, 2354020, 3531030, 4237236, 5296545, 7062060, 10593090, 21186180]

約数ペア:

[(1, 21186180), (2, 10593090), (3, 7062060), (4, 5296545), (5, 4237236), (6, 3531030), (9, 2354020), (10, 2118618), (12, 1765515), (15, 1412412), (18, 1177010), (20, 1059309), (30, 706206), (36, 588505), (45, 470804), (60, 353103), (90, 235402), (180, 117701)]