21054330

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:186

約数の個数: 160

約数和(自身を含む): 65862720

約数和(自身を除く): 44808390

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 17, 18, 22, 27, 30, 33, 34, 45, 51, 54, 55, 66, 81, 85, 90, 99, 102, 110, 135, 139, 153, 162, 165, 170, 187, 198, 255, 270, 278, 297, 306, 330, 374, 405, 417, 459, 495, 510, 561, 594, 695, 765, 810, 834, 891, 918, 935, 990, 1122, 1251, 1377, 1390, 1485, 1529, 1530, 1683, 1782, 1870, 2085, 2295, 2363, 2502, 2754, 2805, 2970, 3058, 3366, 3753, 4170, 4455, 4587, 4590, 4726, 5049, 5610, 6255, 6885, 7089, 7506, 7645, 8415, 8910, 9174, 10098, 11259, 11815, 12510, 13761, 13770, 14178, 15147, 15290, 16830, 18765, 21267, 22518, 22935, 23630, 25245, 25993, 27522, 30294, 35445, 37530, 41283, 42534, 45870, 50490, 51986, 56295, 63801, 68805, 70890, 75735, 77979, 82566, 106335, 112590, 123849, 127602, 129965, 137610, 151470, 155958, 191403, 206415, 212670, 233937, 247698, 259930, 319005, 382806, 389895, 412830, 467874, 619245, 638010, 701811, 779790, 957015, 1169685, 1238490, 1403622, 1914030, 2105433, 2339370, 3509055, 4210866, 7018110, 10527165, 21054330]

約数ペア:

[(1, 21054330), (2, 10527165), (3, 7018110), (5, 4210866), (6, 3509055), (9, 2339370), (10, 2105433), (11, 1914030), (15, 1403622), (17, 1238490), (18, 1169685), (22, 957015), (27, 779790), (30, 701811), (33, 638010), (34, 619245), (45, 467874), (51, 412830), (54, 389895), (55, 382806), (66, 319005), (81, 259930), (85, 247698), (90, 233937), (99, 212670), (102, 206415), (110, 191403), (135, 155958), (139, 151470), (153, 137610), (162, 129965), (165, 127602), (170, 123849), (187, 112590), (198, 106335), (255, 82566), (270, 77979), (278, 75735), (297, 70890), (306, 68805), (330, 63801), (374, 56295), (405, 51986), (417, 50490), (459, 45870), (495, 42534), (510, 41283), (561, 37530), (594, 35445), (695, 30294), (765, 27522), (810, 25993), (834, 25245), (891, 23630), (918, 22935), (935, 22518), (990, 21267), (1122, 18765), (1251, 16830), (1377, 15290), (1390, 15147), (1485, 14178), (1529, 13770), (1530, 13761), (1683, 12510), (1782, 11815), (1870, 11259), (2085, 10098), (2295, 9174), (2363, 8910), (2502, 8415), (2754, 7645), (2805, 7506), (2970, 7089), (3058, 6885), (3366, 6255), (3753, 5610), (4170, 5049), (4455, 4726), (4587, 4590)]