21273256311

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{1318781}}^1$

素因数の和:1319086

約数の個数: 16

約数和(自身を含む): 29962727040

約数和(自身を除く): 8689470729

約数列:

[1, 3, 19, 57, 283, 849, 5377, 16131, 1318781, 3956343, 25056839, 75170517, 373215023, 1119645069, 7091085437, 21273256311]

約数ペア:

[(1, 21273256311), (3, 7091085437), (19, 1119645069), (57, 373215023), (283, 75170517), (849, 25056839), (5377, 3956343), (16131, 1318781)]