21896396

素因数分解:

$2^2\times {\mathrm{83}}^1\times {\mathrm{101}}^1\times {\mathrm{653}}^1$

素因数の和:841

約数の個数: 24

約数和(自身を含む): 39224304

約数和(自身を除く): 17327908

約数列:

[1, 2, 4, 83, 101, 166, 202, 332, 404, 653, 1306, 2612, 8383, 16766, 33532, 54199, 65953, 108398, 131906, 216796, 263812, 5474099, 10948198, 21896396]

約数ペア:

[(1, 21896396), (2, 10948198), (4, 5474099), (83, 263812), (101, 216796), (166, 131906), (202, 108398), (332, 65953), (404, 54199), (653, 33532), (1306, 16766), (2612, 8383)]