21167339536

素因数分解:

$2^4\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1379519}}^1$

素因数の和:1379671

約数の個数: 40

約数和(自身を含む): 47212692480

約数和(自身を除く): 26045352944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 137, 274, 548, 959, 1096, 1918, 2192, 3836, 7672, 15344, 1379519, 2759038, 5518076, 9656633, 11036152, 19313266, 22072304, 38626532, 77253064, 154506128, 188994103, 377988206, 755976412, 1322958721, 1511952824, 2645917442, 3023905648, 5291834884, 10583669768, 21167339536]

約数ペア:

[(1, 21167339536), (2, 10583669768), (4, 5291834884), (7, 3023905648), (8, 2645917442), (14, 1511952824), (16, 1322958721), (28, 755976412), (56, 377988206), (112, 188994103), (137, 154506128), (274, 77253064), (548, 38626532), (959, 22072304), (1096, 19313266), (1918, 11036152), (2192, 9656633), (3836, 5518076), (7672, 2759038), (15344, 1379519)]