21181314042

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{107}}^2\times {\mathrm{14683}}^1$

素因数の和:14912

約数の個数: 72

約数和(自身を含む): 52947332256

約数和(自身を除く): 31766018214

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 107, 126, 214, 321, 642, 749, 963, 1498, 1926, 2247, 4494, 6741, 11449, 13482, 14683, 22898, 29366, 34347, 44049, 68694, 80143, 88098, 102781, 103041, 132147, 160286, 205562, 206082, 240429, 264294, 308343, 480858, 616686, 721287, 925029, 1442574, 1571081, 1850058, 3142162, 4713243, 9426486, 10997567, 14139729, 21995134, 28279458, 32992701, 65985402, 98978103, 168105667, 197956206, 336211334, 504317001, 1008634002, 1176739669, 1512951003, 2353479338, 3025902006, 3530219007, 7060438014, 10590657021, 21181314042]

約数ペア:

[(1, 21181314042), (2, 10590657021), (3, 7060438014), (6, 3530219007), (7, 3025902006), (9, 2353479338), (14, 1512951003), (18, 1176739669), (21, 1008634002), (42, 504317001), (63, 336211334), (107, 197956206), (126, 168105667), (214, 98978103), (321, 65985402), (642, 32992701), (749, 28279458), (963, 21995134), (1498, 14139729), (1926, 10997567), (2247, 9426486), (4494, 4713243), (6741, 3142162), (11449, 1850058), (13482, 1571081), (14683, 1442574), (22898, 925029), (29366, 721287), (34347, 616686), (44049, 480858), (68694, 308343), (80143, 264294), (88098, 240429), (102781, 206082), (103041, 205562), (132147, 160286)]