21512522

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{2089}}^1$

素因数の和:2381

約数の個数: 16

約数和(自身を含む): 34108800

約数和(自身を除く): 12596278

約数列:

[1, 2, 19, 38, 271, 542, 2089, 4178, 5149, 10298, 39691, 79382, 566119, 1132238, 10756261, 21512522]

約数ペア:

[(1, 21512522), (2, 10756261), (19, 1132238), (38, 566119), (271, 79382), (542, 39691), (2089, 10298), (4178, 5149)]