21050964

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:150

約数の個数: 144

約数和(自身を含む): 63685440

約数和(自身を除く): 42634476

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 17, 18, 22, 33, 34, 36, 44, 51, 53, 59, 66, 68, 99, 102, 106, 118, 132, 153, 159, 177, 187, 198, 204, 212, 236, 306, 318, 354, 374, 396, 477, 531, 561, 583, 612, 636, 649, 708, 748, 901, 954, 1003, 1062, 1122, 1166, 1298, 1683, 1749, 1802, 1908, 1947, 2006, 2124, 2244, 2332, 2596, 2703, 3009, 3127, 3366, 3498, 3604, 3894, 4012, 5247, 5406, 5841, 6018, 6254, 6732, 6996, 7788, 8109, 9027, 9381, 9911, 10494, 10812, 11033, 11682, 12036, 12508, 16218, 18054, 18762, 19822, 20988, 22066, 23364, 28143, 29733, 32436, 33099, 34397, 36108, 37524, 39644, 44132, 53159, 56286, 59466, 66198, 68794, 89199, 99297, 103191, 106318, 112572, 118932, 132396, 137588, 159477, 178398, 198594, 206382, 212636, 309573, 318954, 356796, 397188, 412764, 478431, 584749, 619146, 637908, 956862, 1169498, 1238292, 1754247, 1913724, 2338996, 3508494, 5262741, 7016988, 10525482, 21050964]

約数ペア:

[(1, 21050964), (2, 10525482), (3, 7016988), (4, 5262741), (6, 3508494), (9, 2338996), (11, 1913724), (12, 1754247), (17, 1238292), (18, 1169498), (22, 956862), (33, 637908), (34, 619146), (36, 584749), (44, 478431), (51, 412764), (53, 397188), (59, 356796), (66, 318954), (68, 309573), (99, 212636), (102, 206382), (106, 198594), (118, 178398), (132, 159477), (153, 137588), (159, 132396), (177, 118932), (187, 112572), (198, 106318), (204, 103191), (212, 99297), (236, 89199), (306, 68794), (318, 66198), (354, 59466), (374, 56286), (396, 53159), (477, 44132), (531, 39644), (561, 37524), (583, 36108), (612, 34397), (636, 33099), (649, 32436), (708, 29733), (748, 28143), (901, 23364), (954, 22066), (1003, 20988), (1062, 19822), (1122, 18762), (1166, 18054), (1298, 16218), (1683, 12508), (1749, 12036), (1802, 11682), (1908, 11033), (1947, 10812), (2006, 10494), (2124, 9911), (2244, 9381), (2332, 9027), (2596, 8109), (2703, 7788), (3009, 6996), (3127, 6732), (3366, 6254), (3498, 6018), (3604, 5841), (3894, 5406), (4012, 5247)]