21864278

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{6367}}^1$

素因数の和:6487

約数の個数: 16

約数和(自身を含む): 35074944

約数和(自身を除く): 13210666

約数列:

[1, 2, 17, 34, 101, 202, 1717, 3434, 6367, 12734, 108239, 216478, 643067, 1286134, 10932139, 21864278]

約数ペア:

[(1, 21864278), (2, 10932139), (17, 1286134), (34, 643067), (101, 216478), (202, 108239), (1717, 12734), (3434, 6367)]