21495012

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{541}}^1$

素因数の和:609

約数の個数: 96

約数和(自身を含む): 64103424

約数和(自身を除く): 42608412

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 43, 44, 66, 77, 84, 86, 129, 132, 154, 172, 231, 258, 301, 308, 462, 473, 516, 541, 602, 903, 924, 946, 1082, 1204, 1419, 1623, 1806, 1892, 2164, 2838, 3246, 3311, 3612, 3787, 5676, 5951, 6492, 6622, 7574, 9933, 11361, 11902, 13244, 15148, 17853, 19866, 22722, 23263, 23804, 35706, 39732, 41657, 45444, 46526, 69789, 71412, 83314, 93052, 124971, 139578, 162841, 166628, 249942, 255893, 279156, 325682, 488523, 499884, 511786, 651364, 767679, 977046, 1023572, 1535358, 1791251, 1954092, 3070716, 3582502, 5373753, 7165004, 10747506, 21495012]

約数ペア:

[(1, 21495012), (2, 10747506), (3, 7165004), (4, 5373753), (6, 3582502), (7, 3070716), (11, 1954092), (12, 1791251), (14, 1535358), (21, 1023572), (22, 977046), (28, 767679), (33, 651364), (42, 511786), (43, 499884), (44, 488523), (66, 325682), (77, 279156), (84, 255893), (86, 249942), (129, 166628), (132, 162841), (154, 139578), (172, 124971), (231, 93052), (258, 83314), (301, 71412), (308, 69789), (462, 46526), (473, 45444), (516, 41657), (541, 39732), (602, 35706), (903, 23804), (924, 23263), (946, 22722), (1082, 19866), (1204, 17853), (1419, 15148), (1623, 13244), (1806, 11902), (1892, 11361), (2164, 9933), (2838, 7574), (3246, 6622), (3311, 6492), (3612, 5951), (3787, 5676)]