21307792

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{121067}}^1$

素因数の和:121086

約数の個数: 20

約数和(自身を含む): 45037296

約数和(自身を除く): 23729504

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 121067, 242134, 484268, 968536, 1331737, 1937072, 2663474, 5326948, 10653896, 21307792]

約数ペア:

[(1, 21307792), (2, 10653896), (4, 5326948), (8, 2663474), (11, 1937072), (16, 1331737), (22, 968536), (44, 484268), (88, 242134), (176, 121067)]