21768109

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{1973}}^1$

素因数の和:2060

約数の個数: 16

約数和(自身を含む): 25583040

約数和(自身を除く): 3814931

約数列:

[1, 11, 17, 59, 187, 649, 1003, 1973, 11033, 21703, 33541, 116407, 368951, 1280477, 1978919, 21768109]

約数ペア:

[(1, 21768109), (11, 1978919), (17, 1280477), (59, 368951), (187, 116407), (649, 33541), (1003, 21703), (1973, 11033)]