21759210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{709}}^1$

素因数の和:764

約数の個数: 96

約数和(自身を含む): 63797760

約数和(自身を除く): 42038550

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 31, 33, 45, 55, 62, 66, 90, 93, 99, 110, 155, 165, 186, 198, 279, 310, 330, 341, 465, 495, 558, 682, 709, 930, 990, 1023, 1395, 1418, 1705, 2046, 2127, 2790, 3069, 3410, 3545, 4254, 5115, 6138, 6381, 7090, 7799, 10230, 10635, 12762, 15345, 15598, 21270, 21979, 23397, 30690, 31905, 38995, 43958, 46794, 63810, 65937, 70191, 77990, 109895, 116985, 131874, 140382, 197811, 219790, 233970, 241769, 329685, 350955, 395622, 483538, 659370, 701910, 725307, 989055, 1208845, 1450614, 1978110, 2175921, 2417690, 3626535, 4351842, 7253070, 10879605, 21759210]

約数ペア:

[(1, 21759210), (2, 10879605), (3, 7253070), (5, 4351842), (6, 3626535), (9, 2417690), (10, 2175921), (11, 1978110), (15, 1450614), (18, 1208845), (22, 989055), (30, 725307), (31, 701910), (33, 659370), (45, 483538), (55, 395622), (62, 350955), (66, 329685), (90, 241769), (93, 233970), (99, 219790), (110, 197811), (155, 140382), (165, 131874), (186, 116985), (198, 109895), (279, 77990), (310, 70191), (330, 65937), (341, 63810), (465, 46794), (495, 43958), (558, 38995), (682, 31905), (709, 30690), (930, 23397), (990, 21979), (1023, 21270), (1395, 15598), (1418, 15345), (1705, 12762), (2046, 10635), (2127, 10230), (2790, 7799), (3069, 7090), (3410, 6381), (3545, 6138), (4254, 5115)]