21940826726

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{906421}}^1$

素因数の和:906469

約数の個数: 48

約数和(自身を含む): 43399485360

約数和(自身を除く): 21458658634

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 49, 91, 98, 133, 182, 247, 266, 494, 637, 931, 1274, 1729, 1862, 3458, 12103, 24206, 906421, 1812842, 6344947, 11783473, 12689894, 17221999, 23566946, 34443998, 44414629, 82484311, 88829258, 120553993, 164968622, 223885987, 241107986, 447771974, 577390177, 843877951, 1154780354, 1567201909, 1687755902, 3134403818, 10970413363, 21940826726]

約数ペア:

[(1, 21940826726), (2, 10970413363), (7, 3134403818), (13, 1687755902), (14, 1567201909), (19, 1154780354), (26, 843877951), (38, 577390177), (49, 447771974), (91, 241107986), (98, 223885987), (133, 164968622), (182, 120553993), (247, 88829258), (266, 82484311), (494, 44414629), (637, 34443998), (931, 23566946), (1274, 17221999), (1729, 12689894), (1862, 11783473), (3458, 6344947), (12103, 1812842), (24206, 906421)]