21148116

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1223}}^1$

素因数の和:1372

約数の個数: 48

約数和(自身を含む): 54286848

約数和(自身を除く): 33138732

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 131, 132, 262, 393, 524, 786, 1223, 1441, 1572, 2446, 2882, 3669, 4323, 4892, 5764, 7338, 8646, 13453, 14676, 17292, 26906, 40359, 53812, 80718, 160213, 161436, 320426, 480639, 640852, 961278, 1762343, 1922556, 3524686, 5287029, 7049372, 10574058, 21148116]

約数ペア:

[(1, 21148116), (2, 10574058), (3, 7049372), (4, 5287029), (6, 3524686), (11, 1922556), (12, 1762343), (22, 961278), (33, 640852), (44, 480639), (66, 320426), (131, 161436), (132, 160213), (262, 80718), (393, 53812), (524, 40359), (786, 26906), (1223, 17292), (1441, 14676), (1572, 13453), (2446, 8646), (2882, 7338), (3669, 5764), (4323, 4892)]