21680274

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{281}}^1$

素因数の和:471

約数の個数: 64

約数和(自身を含む): 54577152

約数和(自身を除く): 32896878

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 167, 231, 281, 334, 462, 501, 562, 843, 1002, 1169, 1686, 1837, 1967, 2338, 3091, 3507, 3674, 3934, 5511, 5901, 6182, 7014, 9273, 11022, 11802, 12859, 18546, 21637, 25718, 38577, 43274, 46927, 64911, 77154, 93854, 129822, 140781, 281562, 328489, 516197, 656978, 985467, 1032394, 1548591, 1970934, 3097182, 3613379, 7226758, 10840137, 21680274]

約数ペア:

[(1, 21680274), (2, 10840137), (3, 7226758), (6, 3613379), (7, 3097182), (11, 1970934), (14, 1548591), (21, 1032394), (22, 985467), (33, 656978), (42, 516197), (66, 328489), (77, 281562), (154, 140781), (167, 129822), (231, 93854), (281, 77154), (334, 64911), (462, 46927), (501, 43274), (562, 38577), (843, 25718), (1002, 21637), (1169, 18546), (1686, 12859), (1837, 11802), (1967, 11022), (2338, 9273), (3091, 7014), (3507, 6182), (3674, 5901), (3934, 5511)]