21100354

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{4013}}^1$

素因数の和:4265

約数の個数: 16

約数和(自身を含む): 34680960

約数和(自身を除く): 13580606

約数列:

[1, 2, 11, 22, 239, 478, 2629, 4013, 5258, 8026, 44143, 88286, 959107, 1918214, 10550177, 21100354]

約数ペア:

[(1, 21100354), (2, 10550177), (11, 1918214), (22, 959107), (239, 88286), (478, 44143), (2629, 8026), (4013, 5258)]