21000751148

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21255821}}^1$

素因数の和:21255857

約数の個数: 24

約数和(自身を含む): 41661411120

約数和(自身を除く): 20660659972

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 21255821, 42511642, 85023284, 276325673, 403860599, 552651346, 807721198, 1105302692, 1615442396, 5250187787, 10500375574, 21000751148]

約数ペア:

[(1, 21000751148), (2, 10500375574), (4, 5250187787), (13, 1615442396), (19, 1105302692), (26, 807721198), (38, 552651346), (52, 403860599), (76, 276325673), (247, 85023284), (494, 42511642), (988, 21255821)]