21637802

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{2719}}^1$

素因数の和:2917

約数の個数: 16

約数和(自身を含む): 34076160

約数和(自身を除く): 12438358

約数列:

[1, 2, 23, 46, 173, 346, 2719, 3979, 5438, 7958, 62537, 125074, 470387, 940774, 10818901, 21637802]

約数ペア:

[(1, 21637802), (2, 10818901), (23, 940774), (46, 470387), (173, 125074), (346, 62537), (2719, 7958), (3979, 5438)]