21767900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{257}}^1$

素因数の和:300

約数の個数: 108

約数和(自身を含む): 59569104

約数和(自身を除く): 37801204

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 121, 140, 154, 175, 220, 242, 257, 275, 308, 350, 385, 484, 514, 550, 605, 700, 770, 847, 1028, 1100, 1210, 1285, 1540, 1694, 1799, 1925, 2420, 2570, 2827, 3025, 3388, 3598, 3850, 4235, 5140, 5654, 6050, 6425, 7196, 7700, 8470, 8995, 11308, 12100, 12850, 14135, 16940, 17990, 19789, 21175, 25700, 28270, 31097, 35980, 39578, 42350, 44975, 56540, 62194, 70675, 79156, 84700, 89950, 98945, 124388, 141350, 155485, 179900, 197890, 217679, 282700, 310970, 395780, 435358, 494725, 621940, 777425, 870716, 989450, 1088395, 1554850, 1978900, 2176790, 3109700, 4353580, 5441975, 10883950, 21767900]

約数ペア:

[(1, 21767900), (2, 10883950), (4, 5441975), (5, 4353580), (7, 3109700), (10, 2176790), (11, 1978900), (14, 1554850), (20, 1088395), (22, 989450), (25, 870716), (28, 777425), (35, 621940), (44, 494725), (50, 435358), (55, 395780), (70, 310970), (77, 282700), (100, 217679), (110, 197890), (121, 179900), (140, 155485), (154, 141350), (175, 124388), (220, 98945), (242, 89950), (257, 84700), (275, 79156), (308, 70675), (350, 62194), (385, 56540), (484, 44975), (514, 42350), (550, 39578), (605, 35980), (700, 31097), (770, 28270), (847, 25700), (1028, 21175), (1100, 19789), (1210, 17990), (1285, 16940), (1540, 14135), (1694, 12850), (1799, 12100), (1925, 11308), (2420, 8995), (2570, 8470), (2827, 7700), (3025, 7196), (3388, 6425), (3598, 6050), (3850, 5654), (4235, 5140)]