21243864481

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{2521}}^1\times {\mathrm{38833}}^1$

素因数の和:41392

約数の個数: 16

約数和(自身を含む): 25072473088

約数和(自身を除く): 3828608607

約数列:

[1, 7, 31, 217, 2521, 17647, 38833, 78151, 271831, 547057, 1203823, 8426761, 97897993, 685285951, 3034837783, 21243864481]

約数ペア:

[(1, 21243864481), (7, 3034837783), (31, 685285951), (217, 97897993), (2521, 8426761), (17647, 1203823), (38833, 547057), (78151, 271831)]