21728124

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{54869}}^1$

素因数の和:54890

約数の個数: 36

約数和(自身を含む): 59918040

約数和(自身を除く): 38189916

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 54869, 109738, 164607, 219476, 329214, 493821, 603559, 658428, 987642, 1207118, 1810677, 1975284, 2414236, 3621354, 5432031, 7242708, 10864062, 21728124]

約数ペア:

[(1, 21728124), (2, 10864062), (3, 7242708), (4, 5432031), (6, 3621354), (9, 2414236), (11, 1975284), (12, 1810677), (18, 1207118), (22, 987642), (33, 658428), (36, 603559), (44, 493821), (66, 329214), (99, 219476), (132, 164607), (198, 109738), (396, 54869)]