21659792

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17581}}^1$

素因数の和:17607

約数の個数: 40

約数和(自身を含む): 52324032

約数和(自身を除く): 30664240

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 17581, 35162, 70324, 123067, 140648, 193391, 246134, 281296, 386782, 492268, 773564, 984536, 1353737, 1547128, 1969072, 2707474, 3094256, 5414948, 10829896, 21659792]

約数ペア:

[(1, 21659792), (2, 10829896), (4, 5414948), (7, 3094256), (8, 2707474), (11, 1969072), (14, 1547128), (16, 1353737), (22, 984536), (28, 773564), (44, 492268), (56, 386782), (77, 281296), (88, 246134), (112, 193391), (154, 140648), (176, 123067), (308, 70324), (616, 35162), (1232, 17581)]