21342878

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{6053}}^1$

素因数の和:6139

約数の個数: 16

約数和(自身を含む): 33563376

約数和(自身を除く): 12220498

約数列:

[1, 2, 41, 43, 82, 86, 1763, 3526, 6053, 12106, 248173, 260279, 496346, 520558, 10671439, 21342878]

約数ペア:

[(1, 21342878), (2, 10671439), (41, 520558), (43, 496346), (82, 260279), (86, 248173), (1763, 12106), (3526, 6053)]