21896542

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{3761}}^1$

素因数の和:3875

約数の個数: 16

約数和(自身を含む): 34128864

約数和(自身を除く): 12232322

約数列:

[1, 2, 41, 71, 82, 142, 2911, 3761, 5822, 7522, 154201, 267031, 308402, 534062, 10948271, 21896542]

約数ペア:

[(1, 21896542), (2, 10948271), (41, 534062), (71, 308402), (82, 267031), (142, 154201), (2911, 7522), (3761, 5822)]