21476952

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{991}}^1$

素因数の和:1053

約数の個数: 96

約数和(自身を含む): 68090880

約数和(自身を除く): 46613928

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 43, 56, 63, 72, 84, 86, 126, 129, 168, 172, 252, 258, 301, 344, 387, 504, 516, 602, 774, 903, 991, 1032, 1204, 1548, 1806, 1982, 2408, 2709, 2973, 3096, 3612, 3964, 5418, 5946, 6937, 7224, 7928, 8919, 10836, 11892, 13874, 17838, 20811, 21672, 23784, 27748, 35676, 41622, 42613, 55496, 62433, 71352, 83244, 85226, 124866, 127839, 166488, 170452, 249732, 255678, 298291, 340904, 383517, 499464, 511356, 596582, 767034, 894873, 1022712, 1193164, 1534068, 1789746, 2386328, 2684619, 3068136, 3579492, 5369238, 7158984, 10738476, 21476952]

約数ペア:

[(1, 21476952), (2, 10738476), (3, 7158984), (4, 5369238), (6, 3579492), (7, 3068136), (8, 2684619), (9, 2386328), (12, 1789746), (14, 1534068), (18, 1193164), (21, 1022712), (24, 894873), (28, 767034), (36, 596582), (42, 511356), (43, 499464), (56, 383517), (63, 340904), (72, 298291), (84, 255678), (86, 249732), (126, 170452), (129, 166488), (168, 127839), (172, 124866), (252, 85226), (258, 83244), (301, 71352), (344, 62433), (387, 55496), (504, 42613), (516, 41622), (602, 35676), (774, 27748), (903, 23784), (991, 21672), (1032, 20811), (1204, 17838), (1548, 13874), (1806, 11892), (1982, 10836), (2408, 8919), (2709, 7928), (2973, 7224), (3096, 6937), (3612, 5946), (3964, 5418)]