21793310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:150

約数の個数: 96

約数和(自身を含む): 51480576

約数和(自身を除く): 29687266

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 31, 35, 55, 62, 70, 77, 83, 110, 121, 154, 155, 166, 217, 242, 310, 341, 385, 415, 434, 581, 605, 682, 770, 830, 847, 913, 1085, 1162, 1210, 1694, 1705, 1826, 2170, 2387, 2573, 2905, 3410, 3751, 4235, 4565, 4774, 5146, 5810, 6391, 7502, 8470, 9130, 10043, 11935, 12782, 12865, 18011, 18755, 20086, 23870, 25730, 26257, 28303, 31955, 36022, 37510, 50215, 52514, 56606, 63910, 70301, 90055, 100430, 131285, 140602, 141515, 180110, 198121, 262570, 283030, 311333, 351505, 396242, 622666, 703010, 990605, 1556665, 1981210, 2179331, 3113330, 4358662, 10896655, 21793310]

約数ペア:

[(1, 21793310), (2, 10896655), (5, 4358662), (7, 3113330), (10, 2179331), (11, 1981210), (14, 1556665), (22, 990605), (31, 703010), (35, 622666), (55, 396242), (62, 351505), (70, 311333), (77, 283030), (83, 262570), (110, 198121), (121, 180110), (154, 141515), (155, 140602), (166, 131285), (217, 100430), (242, 90055), (310, 70301), (341, 63910), (385, 56606), (415, 52514), (434, 50215), (581, 37510), (605, 36022), (682, 31955), (770, 28303), (830, 26257), (847, 25730), (913, 23870), (1085, 20086), (1162, 18755), (1210, 18011), (1694, 12865), (1705, 12782), (1826, 11935), (2170, 10043), (2387, 9130), (2573, 8470), (2905, 7502), (3410, 6391), (3751, 5810), (4235, 5146), (4565, 4774)]