21635264

素因数分解:

$2^6\times 7^2\times {\mathrm{6899}}^1$

素因数の和:6925

約数の個数: 42

約数和(自身を含む): 49949100

約数和(自身を除く): 28313836

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 6899, 13798, 27596, 48293, 55192, 96586, 110384, 193172, 220768, 338051, 386344, 441536, 676102, 772688, 1352204, 1545376, 2704408, 3090752, 5408816, 10817632, 21635264]

約数ペア:

[(1, 21635264), (2, 10817632), (4, 5408816), (7, 3090752), (8, 2704408), (14, 1545376), (16, 1352204), (28, 772688), (32, 676102), (49, 441536), (56, 386344), (64, 338051), (98, 220768), (112, 193172), (196, 110384), (224, 96586), (392, 55192), (448, 48293), (784, 27596), (1568, 13798), (3136, 6899)]