21796768

素因数分解:

$2^5\times 7^2\times {\mathrm{13901}}^1$

素因数の和:13925

約数の個数: 36

約数和(自身を含む): 49922082

約数和(自身を除く): 28125314

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 13901, 27802, 55604, 97307, 111208, 194614, 222416, 389228, 444832, 681149, 778456, 1362298, 1556912, 2724596, 3113824, 5449192, 10898384, 21796768]

約数ペア:

[(1, 21796768), (2, 10898384), (4, 5449192), (7, 3113824), (8, 2724596), (14, 1556912), (16, 1362298), (28, 778456), (32, 681149), (49, 444832), (56, 389228), (98, 222416), (112, 194614), (196, 111208), (224, 97307), (392, 55604), (784, 27802), (1568, 13901)]