21013718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{463}}^1\times {\mathrm{2063}}^1$

素因数の和:2539

約数の個数: 16

約数和(自身を含む): 34477056

約数和(自身を除く): 13463338

約数列:

[1, 2, 11, 22, 463, 926, 2063, 4126, 5093, 10186, 22693, 45386, 955169, 1910338, 10506859, 21013718]

約数ペア:

[(1, 21013718), (2, 10506859), (11, 1910338), (22, 955169), (463, 45386), (926, 22693), (2063, 10186), (4126, 5093)]