21000895476

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{941}}^1\times {\mathrm{7351}}^1$

素因数の和:8333

約数の個数: 96

約数和(自身を含む): 55847909376

約数和(自身を除く): 34847013900

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 23, 33, 44, 46, 66, 69, 92, 132, 138, 253, 276, 506, 759, 941, 1012, 1518, 1882, 2823, 3036, 3764, 5646, 7351, 10351, 11292, 14702, 20702, 21643, 22053, 29404, 31053, 41404, 43286, 44106, 62106, 64929, 80861, 86572, 88212, 124212, 129858, 161722, 169073, 238073, 242583, 259716, 323444, 338146, 476146, 485166, 507219, 676292, 714219, 952292, 970332, 1014438, 1428438, 1859803, 2028876, 2856876, 3719606, 5579409, 6917291, 7439212, 11158818, 13834582, 20751873, 22317636, 27669164, 41503746, 76090201, 83007492, 152180402, 159097693, 228270603, 304360804, 318195386, 456541206, 477293079, 636390772, 913082412, 954586158, 1750074623, 1909172316, 3500149246, 5250223869, 7000298492, 10500447738, 21000895476]

約数ペア:

[(1, 21000895476), (2, 10500447738), (3, 7000298492), (4, 5250223869), (6, 3500149246), (11, 1909172316), (12, 1750074623), (22, 954586158), (23, 913082412), (33, 636390772), (44, 477293079), (46, 456541206), (66, 318195386), (69, 304360804), (92, 228270603), (132, 159097693), (138, 152180402), (253, 83007492), (276, 76090201), (506, 41503746), (759, 27669164), (941, 22317636), (1012, 20751873), (1518, 13834582), (1882, 11158818), (2823, 7439212), (3036, 6917291), (3764, 5579409), (5646, 3719606), (7351, 2856876), (10351, 2028876), (11292, 1859803), (14702, 1428438), (20702, 1014438), (21643, 970332), (22053, 952292), (29404, 714219), (31053, 676292), (41404, 507219), (43286, 485166), (44106, 476146), (62106, 338146), (64929, 323444), (80861, 259716), (86572, 242583), (88212, 238073), (124212, 169073), (129858, 161722)]