21953246

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{82531}}^1$

素因数の和:82559

約数の個数: 16

約数和(自身を含む): 39615360

約数和(自身を除く): 17662114

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 82531, 165062, 577717, 1155434, 1568089, 3136178, 10976623, 21953246]

約数ペア:

[(1, 21953246), (2, 10976623), (7, 3136178), (14, 1568089), (19, 1155434), (38, 577717), (133, 165062), (266, 82531)]