21122552

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{5107}}^1$

素因数の和:5171

約数の個数: 32

約数和(自身を含む): 44133120

約数和(自身を除く): 23010568

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 88, 94, 188, 376, 517, 1034, 2068, 4136, 5107, 10214, 20428, 40856, 56177, 112354, 224708, 240029, 449416, 480058, 960116, 1920232, 2640319, 5280638, 10561276, 21122552]

約数ペア:

[(1, 21122552), (2, 10561276), (4, 5280638), (8, 2640319), (11, 1920232), (22, 960116), (44, 480058), (47, 449416), (88, 240029), (94, 224708), (188, 112354), (376, 56177), (517, 40856), (1034, 20428), (2068, 10214), (4136, 5107)]