21028231616

素因数分解:

$2^6\times 7^2\times {\mathrm{1409}}^1\times {\mathrm{4759}}^1$

素因数の和:6194

約数の個数: 84

約数和(自身を含む): 48585272400

約数和(自身を除く): 27557040784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1409, 1568, 2818, 3136, 4759, 5636, 9518, 9863, 11272, 19036, 19726, 22544, 33313, 38072, 39452, 45088, 66626, 69041, 76144, 78904, 90176, 133252, 138082, 152288, 157808, 233191, 266504, 276164, 304576, 315616, 466382, 533008, 552328, 631232, 932764, 1066016, 1104656, 1865528, 2132032, 2209312, 3731056, 4418624, 6705431, 7462112, 13410862, 14924224, 26821724, 46938017, 53643448, 93876034, 107286896, 187752068, 214573792, 328566119, 375504136, 429147584, 657132238, 751008272, 1314264476, 1502016544, 2628528952, 3004033088, 5257057904, 10514115808, 21028231616]

約数ペア:

[(1, 21028231616), (2, 10514115808), (4, 5257057904), (7, 3004033088), (8, 2628528952), (14, 1502016544), (16, 1314264476), (28, 751008272), (32, 657132238), (49, 429147584), (56, 375504136), (64, 328566119), (98, 214573792), (112, 187752068), (196, 107286896), (224, 93876034), (392, 53643448), (448, 46938017), (784, 26821724), (1409, 14924224), (1568, 13410862), (2818, 7462112), (3136, 6705431), (4759, 4418624), (5636, 3731056), (9518, 2209312), (9863, 2132032), (11272, 1865528), (19036, 1104656), (19726, 1066016), (22544, 932764), (33313, 631232), (38072, 552328), (39452, 533008), (45088, 466382), (66626, 315616), (69041, 304576), (76144, 276164), (78904, 266504), (90176, 233191), (133252, 157808), (138082, 152288)]