21954768

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{967}}^1$

素因数の和:1032

約数の個数: 80

約数和(自身を含む): 63376896

約数和(自身を除く): 41422128

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 43, 44, 48, 66, 86, 88, 129, 132, 172, 176, 258, 264, 344, 473, 516, 528, 688, 946, 967, 1032, 1419, 1892, 1934, 2064, 2838, 2901, 3784, 3868, 5676, 5802, 7568, 7736, 10637, 11352, 11604, 15472, 21274, 22704, 23208, 31911, 41581, 42548, 46416, 63822, 83162, 85096, 124743, 127644, 166324, 170192, 249486, 255288, 332648, 457391, 498972, 510576, 665296, 914782, 997944, 1372173, 1829564, 1995888, 2744346, 3659128, 5488692, 7318256, 10977384, 21954768]

約数ペア:

[(1, 21954768), (2, 10977384), (3, 7318256), (4, 5488692), (6, 3659128), (8, 2744346), (11, 1995888), (12, 1829564), (16, 1372173), (22, 997944), (24, 914782), (33, 665296), (43, 510576), (44, 498972), (48, 457391), (66, 332648), (86, 255288), (88, 249486), (129, 170192), (132, 166324), (172, 127644), (176, 124743), (258, 85096), (264, 83162), (344, 63822), (473, 46416), (516, 42548), (528, 41581), (688, 31911), (946, 23208), (967, 22704), (1032, 21274), (1419, 15472), (1892, 11604), (1934, 11352), (2064, 10637), (2838, 7736), (2901, 7568), (3784, 5802), (3868, 5676)]