21480877

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{367}}^1$

素因数の和:708

約数の個数: 16

約数和(自身を含む): 24959232

約数和(自身を除く): 3478355

約数列:

[1, 11, 17, 187, 313, 367, 3443, 4037, 5321, 6239, 58531, 68629, 114871, 1263581, 1952807, 21480877]

約数ペア:

[(1, 21480877), (11, 1952807), (17, 1263581), (187, 114871), (313, 68629), (367, 58531), (3443, 6239), (4037, 5321)]