21120761

素因数分解:

${\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:388

約数の個数: 16

約数和(自身を含む): 22982400

約数和(自身を除く): 1861639

約数列:

[1, 19, 59, 83, 227, 1121, 1577, 4313, 4897, 13393, 18841, 93043, 254467, 357979, 1111619, 21120761]

約数ペア:

[(1, 21120761), (19, 1111619), (59, 357979), (83, 254467), (227, 93043), (1121, 18841), (1577, 13393), (4313, 4897)]