21000559492

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1\times {\mathrm{73327}}^1$

素因数の和:73648

約数の個数: 48

約数和(自身を含む): 41983506432

約数和(自身を除く): 20982946940

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 283, 506, 566, 1012, 1132, 3113, 6226, 6509, 12452, 13018, 26036, 71599, 73327, 143198, 146654, 286396, 293308, 806597, 1613194, 1686521, 3226388, 3373042, 6746084, 18551731, 20751541, 37103462, 41503082, 74206924, 83006164, 228266951, 456533902, 477285443, 913067804, 954570886, 1909141772, 5250139873, 10500279746, 21000559492]

約数ペア:

[(1, 21000559492), (2, 10500279746), (4, 5250139873), (11, 1909141772), (22, 954570886), (23, 913067804), (44, 477285443), (46, 456533902), (92, 228266951), (253, 83006164), (283, 74206924), (506, 41503082), (566, 37103462), (1012, 20751541), (1132, 18551731), (3113, 6746084), (6226, 3373042), (6509, 3226388), (12452, 1686521), (13018, 1613194), (26036, 806597), (71599, 293308), (73327, 286396), (143198, 146654)]