21146488

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{5861}}^1$

素因数の和:5919

約数の個数: 32

約数和(自身を含む): 44316720

約数和(自身を除く): 23170232

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 82, 88, 164, 328, 451, 902, 1804, 3608, 5861, 11722, 23444, 46888, 64471, 128942, 240301, 257884, 480602, 515768, 961204, 1922408, 2643311, 5286622, 10573244, 21146488]

約数ペア:

[(1, 21146488), (2, 10573244), (4, 5286622), (8, 2643311), (11, 1922408), (22, 961204), (41, 515768), (44, 480602), (82, 257884), (88, 240301), (164, 128942), (328, 64471), (451, 46888), (902, 23444), (1804, 11722), (3608, 5861)]