21254868

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^1\times {\mathrm{10007}}^1$

素因数の和:10076

約数の個数: 36

約数和(自身を含む): 54643680

約数和(自身を除く): 33388812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 118, 177, 236, 354, 531, 708, 1062, 2124, 10007, 20014, 30021, 40028, 60042, 90063, 120084, 180126, 360252, 590413, 1180826, 1771239, 2361652, 3542478, 5313717, 7084956, 10627434, 21254868]

約数ペア:

[(1, 21254868), (2, 10627434), (3, 7084956), (4, 5313717), (6, 3542478), (9, 2361652), (12, 1771239), (18, 1180826), (36, 590413), (59, 360252), (118, 180126), (177, 120084), (236, 90063), (354, 60042), (531, 40028), (708, 30021), (1062, 20014), (2124, 10007)]