21000299021

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{708823}}^1$

素因数の和:708932

約数の個数: 16

約数和(自身を含む): 23578321536

約数和(自身を除く): 2578022515

約数列:

[1, 13, 43, 53, 559, 689, 2279, 29627, 708823, 9214699, 30479389, 37567619, 396232057, 488379047, 1615407617, 21000299021]

約数ペア:

[(1, 21000299021), (13, 1615407617), (43, 488379047), (53, 396232057), (559, 37567619), (689, 30479389), (2279, 9214699), (29627, 708823)]