21036542

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{7717}}^1$

素因数の和:7795

約数の個数: 16

約数和(自身を含む): 33341760

約数和(自身を除く): 12305218

約数列:

[1, 2, 29, 47, 58, 94, 1363, 2726, 7717, 15434, 223793, 362699, 447586, 725398, 10518271, 21036542]

約数ペア:

[(1, 21036542), (2, 10518271), (29, 725398), (47, 447586), (58, 362699), (94, 223793), (1363, 15434), (2726, 7717)]