21644700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{937}}^1$

素因数の和:972

約数の個数: 144

約数和(自身を含む): 78161664

約数和(自身を除く): 56516964

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 25, 28, 30, 33, 35, 42, 44, 50, 55, 60, 66, 70, 75, 77, 84, 100, 105, 110, 132, 140, 150, 154, 165, 175, 210, 220, 231, 275, 300, 308, 330, 350, 385, 420, 462, 525, 550, 660, 700, 770, 825, 924, 937, 1050, 1100, 1155, 1540, 1650, 1874, 1925, 2100, 2310, 2811, 3300, 3748, 3850, 4620, 4685, 5622, 5775, 6559, 7700, 9370, 10307, 11244, 11550, 13118, 14055, 18740, 19677, 20614, 23100, 23425, 26236, 28110, 30921, 32795, 39354, 41228, 46850, 51535, 56220, 61842, 65590, 70275, 72149, 78708, 93700, 98385, 103070, 123684, 131180, 140550, 144298, 154605, 163975, 196770, 206140, 216447, 257675, 281100, 288596, 309210, 327950, 360745, 393540, 432894, 491925, 515350, 618420, 655900, 721490, 773025, 865788, 983850, 1030700, 1082235, 1442980, 1546050, 1803725, 1967700, 2164470, 3092100, 3607450, 4328940, 5411175, 7214900, 10822350, 21644700]

約数ペア:

[(1, 21644700), (2, 10822350), (3, 7214900), (4, 5411175), (5, 4328940), (6, 3607450), (7, 3092100), (10, 2164470), (11, 1967700), (12, 1803725), (14, 1546050), (15, 1442980), (20, 1082235), (21, 1030700), (22, 983850), (25, 865788), (28, 773025), (30, 721490), (33, 655900), (35, 618420), (42, 515350), (44, 491925), (50, 432894), (55, 393540), (60, 360745), (66, 327950), (70, 309210), (75, 288596), (77, 281100), (84, 257675), (100, 216447), (105, 206140), (110, 196770), (132, 163975), (140, 154605), (150, 144298), (154, 140550), (165, 131180), (175, 123684), (210, 103070), (220, 98385), (231, 93700), (275, 78708), (300, 72149), (308, 70275), (330, 65590), (350, 61842), (385, 56220), (420, 51535), (462, 46850), (525, 41228), (550, 39354), (660, 32795), (700, 30921), (770, 28110), (825, 26236), (924, 23425), (937, 23100), (1050, 20614), (1100, 19677), (1155, 18740), (1540, 14055), (1650, 13118), (1874, 11550), (1925, 11244), (2100, 10307), (2310, 9370), (2811, 7700), (3300, 6559), (3748, 5775), (3850, 5622), (4620, 4685)]