21657959210

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{27329}}^1$

素因数の和:27495

約数の個数: 64

約数和(自身を含む): 42424905600

約数和(自身を除く): 20766946390

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 97, 190, 194, 215, 430, 485, 817, 970, 1634, 1843, 3686, 4085, 4171, 8170, 8342, 9215, 18430, 20855, 27329, 41710, 54658, 79249, 136645, 158498, 273290, 396245, 519251, 792490, 1038502, 1175147, 2350294, 2596255, 2650913, 5192510, 5301826, 5875735, 11751470, 13254565, 22327793, 26509130, 44655586, 50367347, 100734694, 111638965, 113989259, 223277930, 227978518, 251836735, 503673470, 569946295, 1139892590, 2165795921, 4331591842, 10828979605, 21657959210]

約数ペア:

[(1, 21657959210), (2, 10828979605), (5, 4331591842), (10, 2165795921), (19, 1139892590), (38, 569946295), (43, 503673470), (86, 251836735), (95, 227978518), (97, 223277930), (190, 113989259), (194, 111638965), (215, 100734694), (430, 50367347), (485, 44655586), (817, 26509130), (970, 22327793), (1634, 13254565), (1843, 11751470), (3686, 5875735), (4085, 5301826), (4171, 5192510), (8170, 2650913), (8342, 2596255), (9215, 2350294), (18430, 1175147), (20855, 1038502), (27329, 792490), (41710, 519251), (54658, 396245), (79249, 273290), (136645, 158498)]