21609888

素因数分解:

$2^5\times 3^1\times {\mathrm{163}}^1\times {\mathrm{1381}}^1$

素因数の和:1557

約数の個数: 48

約数和(自身を含む): 57115296

約数和(自身を除く): 35505408

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 163, 326, 489, 652, 978, 1304, 1381, 1956, 2608, 2762, 3912, 4143, 5216, 5524, 7824, 8286, 11048, 15648, 16572, 22096, 33144, 44192, 66288, 132576, 225103, 450206, 675309, 900412, 1350618, 1800824, 2701236, 3601648, 5402472, 7203296, 10804944, 21609888]

約数ペア:

[(1, 21609888), (2, 10804944), (3, 7203296), (4, 5402472), (6, 3601648), (8, 2701236), (12, 1800824), (16, 1350618), (24, 900412), (32, 675309), (48, 450206), (96, 225103), (163, 132576), (326, 66288), (489, 44192), (652, 33144), (978, 22096), (1304, 16572), (1381, 15648), (1956, 11048), (2608, 8286), (2762, 7824), (3912, 5524), (4143, 5216)]