21143784

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1787}}^1$

素因数の和:1842

約数の個数: 64

約数和(自身を含む): 57931200

約数和(自身を除く): 36787416

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 29, 34, 51, 58, 68, 87, 102, 116, 136, 174, 204, 232, 348, 408, 493, 696, 986, 1479, 1787, 1972, 2958, 3574, 3944, 5361, 5916, 7148, 10722, 11832, 14296, 21444, 30379, 42888, 51823, 60758, 91137, 103646, 121516, 155469, 182274, 207292, 243032, 310938, 364548, 414584, 621876, 729096, 880991, 1243752, 1761982, 2642973, 3523964, 5285946, 7047928, 10571892, 21143784]

約数ペア:

[(1, 21143784), (2, 10571892), (3, 7047928), (4, 5285946), (6, 3523964), (8, 2642973), (12, 1761982), (17, 1243752), (24, 880991), (29, 729096), (34, 621876), (51, 414584), (58, 364548), (68, 310938), (87, 243032), (102, 207292), (116, 182274), (136, 155469), (174, 121516), (204, 103646), (232, 91137), (348, 60758), (408, 51823), (493, 42888), (696, 30379), (986, 21444), (1479, 14296), (1787, 11832), (1972, 10722), (2958, 7148), (3574, 5916), (3944, 5361)]