21113862

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1987}}^1$

素因数の和:2033

約数の個数: 64

約数和(自身を含む): 54964224

約数和(自身を除く): 33850362

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 23, 33, 42, 46, 66, 69, 77, 138, 154, 161, 231, 253, 322, 462, 483, 506, 759, 966, 1518, 1771, 1987, 3542, 3974, 5313, 5961, 10626, 11922, 13909, 21857, 27818, 41727, 43714, 45701, 65571, 83454, 91402, 131142, 137103, 152999, 274206, 305998, 319907, 458997, 502711, 639814, 917994, 959721, 1005422, 1508133, 1919442, 3016266, 3518977, 7037954, 10556931, 21113862]

約数ペア:

[(1, 21113862), (2, 10556931), (3, 7037954), (6, 3518977), (7, 3016266), (11, 1919442), (14, 1508133), (21, 1005422), (22, 959721), (23, 917994), (33, 639814), (42, 502711), (46, 458997), (66, 319907), (69, 305998), (77, 274206), (138, 152999), (154, 137103), (161, 131142), (231, 91402), (253, 83454), (322, 65571), (462, 45701), (483, 43714), (506, 41727), (759, 27818), (966, 21857), (1518, 13909), (1771, 11922), (1987, 10626), (3542, 5961), (3974, 5313)]