21067662

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1471}}^1$

素因数の和:1525

約数の個数: 64

約数和(自身を含む): 54263808

約数和(自身を除く): 33196146

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 31, 33, 42, 62, 66, 77, 93, 154, 186, 217, 231, 341, 434, 462, 651, 682, 1023, 1302, 1471, 2046, 2387, 2942, 4413, 4774, 7161, 8826, 10297, 14322, 16181, 20594, 30891, 32362, 45601, 48543, 61782, 91202, 97086, 113267, 136803, 226534, 273606, 319207, 339801, 501611, 638414, 679602, 957621, 1003222, 1504833, 1915242, 3009666, 3511277, 7022554, 10533831, 21067662]

約数ペア:

[(1, 21067662), (2, 10533831), (3, 7022554), (6, 3511277), (7, 3009666), (11, 1915242), (14, 1504833), (21, 1003222), (22, 957621), (31, 679602), (33, 638414), (42, 501611), (62, 339801), (66, 319207), (77, 273606), (93, 226534), (154, 136803), (186, 113267), (217, 97086), (231, 91202), (341, 61782), (434, 48543), (462, 45601), (651, 32362), (682, 30891), (1023, 20594), (1302, 16181), (1471, 14322), (2046, 10297), (2387, 8826), (2942, 7161), (4413, 4774)]