21878045273

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{2621}}^1\times {\mathrm{62761}}^1$

素因数の和:65408

約数の個数: 16

約数和(自身を含む): 26329914240

約数和(自身を除く): 4451868967

約数列:

[1, 7, 19, 133, 2621, 18347, 49799, 62761, 348593, 439327, 1192459, 8347213, 164496581, 1151476067, 3125435039, 21878045273]

約数ペア:

[(1, 21878045273), (7, 3125435039), (19, 1151476067), (133, 164496581), (2621, 8347213), (18347, 1192459), (49799, 439327), (62761, 348593)]