21497784

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{11633}}^1$

素因数の和:11660

約数の個数: 64

約数和(自身を含む): 67011840

約数和(自身を除く): 45514056

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 132, 154, 168, 231, 264, 308, 462, 616, 924, 1848, 11633, 23266, 34899, 46532, 69798, 81431, 93064, 127963, 139596, 162862, 244293, 255926, 279192, 325724, 383889, 488586, 511852, 651448, 767778, 895741, 977172, 1023704, 1535556, 1791482, 1954344, 2687223, 3071112, 3582964, 5374446, 7165928, 10748892, 21497784]

約数ペア:

[(1, 21497784), (2, 10748892), (3, 7165928), (4, 5374446), (6, 3582964), (7, 3071112), (8, 2687223), (11, 1954344), (12, 1791482), (14, 1535556), (21, 1023704), (22, 977172), (24, 895741), (28, 767778), (33, 651448), (42, 511852), (44, 488586), (56, 383889), (66, 325724), (77, 279192), (84, 255926), (88, 244293), (132, 162862), (154, 139596), (168, 127963), (231, 93064), (264, 81431), (308, 69798), (462, 46532), (616, 34899), (924, 23266), (1848, 11633)]