21787258920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{603191}}^1$

素因数の和:603255

約数の個数: 128

約数和(自身を含む): 76436490240

約数和(自身を除く): 54649231320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 43, 56, 60, 70, 84, 86, 105, 120, 129, 140, 168, 172, 210, 215, 258, 280, 301, 344, 420, 430, 516, 602, 645, 840, 860, 903, 1032, 1204, 1290, 1505, 1720, 1806, 2408, 2580, 3010, 3612, 4515, 5160, 6020, 7224, 9030, 12040, 18060, 36120, 603191, 1206382, 1809573, 2412764, 3015955, 3619146, 4222337, 4825528, 6031910, 7238292, 8444674, 9047865, 12063820, 12667011, 14476584, 16889348, 18095730, 21111685, 24127640, 25334022, 25937213, 33778696, 36191460, 42223370, 50668044, 51874426, 63335055, 72382920, 77811639, 84446740, 101336088, 103748852, 126670110, 129686065, 155623278, 168893480, 181560491, 207497704, 253340220, 259372130, 311246556, 363120982, 389058195, 506680440, 518744260, 544681473, 622493112, 726241964, 778116390, 907802455, 1037488520, 1089362946, 1452483928, 1556232780, 1815604910, 2178725892, 2723407365, 3112465560, 3631209820, 4357451784, 5446814730, 7262419640, 10893629460, 21787258920]

約数ペア:

[(1, 21787258920), (2, 10893629460), (3, 7262419640), (4, 5446814730), (5, 4357451784), (6, 3631209820), (7, 3112465560), (8, 2723407365), (10, 2178725892), (12, 1815604910), (14, 1556232780), (15, 1452483928), (20, 1089362946), (21, 1037488520), (24, 907802455), (28, 778116390), (30, 726241964), (35, 622493112), (40, 544681473), (42, 518744260), (43, 506680440), (56, 389058195), (60, 363120982), (70, 311246556), (84, 259372130), (86, 253340220), (105, 207497704), (120, 181560491), (129, 168893480), (140, 155623278), (168, 129686065), (172, 126670110), (210, 103748852), (215, 101336088), (258, 84446740), (280, 77811639), (301, 72382920), (344, 63335055), (420, 51874426), (430, 50668044), (516, 42223370), (602, 36191460), (645, 33778696), (840, 25937213), (860, 25334022), (903, 24127640), (1032, 21111685), (1204, 18095730), (1290, 16889348), (1505, 14476584), (1720, 12667011), (1806, 12063820), (2408, 9047865), (2580, 8444674), (3010, 7238292), (3612, 6031910), (4515, 4825528), (5160, 4222337), (6020, 3619146), (7224, 3015955), (9030, 2412764), (12040, 1809573), (18060, 1206382), (36120, 603191)]