21038061837

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{631}}^1\times {\mathrm{65761}}^1$

素因数の和:66421

約数の個数: 24

約数和(自身を含む): 30423079488

約数和(自身を除く): 9385017651

約数列:

[1, 3, 13, 39, 169, 507, 631, 1893, 8203, 24609, 65761, 106639, 197283, 319917, 854893, 2564679, 11113609, 33340827, 41495191, 124485573, 539437483, 1618312449, 7012687279, 21038061837]

約数ペア:

[(1, 21038061837), (3, 7012687279), (13, 1618312449), (39, 539437483), (169, 124485573), (507, 41495191), (631, 33340827), (1893, 11113609), (8203, 2564679), (24609, 854893), (65761, 319917), (106639, 197283)]