21492387839

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{937}}^1\times {\mathrm{1109}}^1$

素因数の和:2139

約数の個数: 32

約数和(自身を含む): 24371941440

約数和(自身を除く): 2879553601

約数列:

[1, 13, 37, 43, 481, 559, 937, 1109, 1591, 12181, 14417, 20683, 34669, 40291, 41033, 47687, 450697, 523783, 533429, 619931, 1039133, 1490767, 1764419, 13508729, 19379971, 22937447, 38447921, 44682719, 499822973, 580875347, 1653260603, 21492387839]

約数ペア:

[(1, 21492387839), (13, 1653260603), (37, 580875347), (43, 499822973), (481, 44682719), (559, 38447921), (937, 22937447), (1109, 19379971), (1591, 13508729), (12181, 1764419), (14417, 1490767), (20683, 1039133), (34669, 619931), (40291, 533429), (41033, 523783), (47687, 450697)]