21654990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{929}}^1$

素因数の和:986

約数の個数: 96

約数和(自身を含む): 66156480

約数和(自身を除く): 44501490

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 37, 42, 45, 63, 70, 74, 90, 105, 111, 126, 185, 210, 222, 259, 315, 333, 370, 518, 555, 630, 666, 777, 929, 1110, 1295, 1554, 1665, 1858, 2331, 2590, 2787, 3330, 3885, 4645, 4662, 5574, 6503, 7770, 8361, 9290, 11655, 13006, 13935, 16722, 19509, 23310, 27870, 32515, 34373, 39018, 41805, 58527, 65030, 68746, 83610, 97545, 103119, 117054, 171865, 195090, 206238, 240611, 292635, 309357, 343730, 481222, 515595, 585270, 618714, 721833, 1031190, 1203055, 1443666, 1546785, 2165499, 2406110, 3093570, 3609165, 4330998, 7218330, 10827495, 21654990]

約数ペア:

[(1, 21654990), (2, 10827495), (3, 7218330), (5, 4330998), (6, 3609165), (7, 3093570), (9, 2406110), (10, 2165499), (14, 1546785), (15, 1443666), (18, 1203055), (21, 1031190), (30, 721833), (35, 618714), (37, 585270), (42, 515595), (45, 481222), (63, 343730), (70, 309357), (74, 292635), (90, 240611), (105, 206238), (111, 195090), (126, 171865), (185, 117054), (210, 103119), (222, 97545), (259, 83610), (315, 68746), (333, 65030), (370, 58527), (518, 41805), (555, 39018), (630, 34373), (666, 32515), (777, 27870), (929, 23310), (1110, 19509), (1295, 16722), (1554, 13935), (1665, 13006), (1858, 11655), (2331, 9290), (2590, 8361), (2787, 7770), (3330, 6503), (3885, 5574), (4645, 4662)]