21078014763

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{1973}}^1\times {\mathrm{273929}}^1$

素因数の和:275918

約数の個数: 16

約数和(自身を含む): 30281317920

約数和(自身を除く): 9203303157

約数列:

[1, 3, 13, 39, 1973, 5919, 25649, 76947, 273929, 821787, 3561077, 10683231, 540461917, 1621385751, 7026004921, 21078014763]

約数ペア:

[(1, 21078014763), (3, 7026004921), (13, 1621385751), (39, 540461917), (1973, 10683231), (5919, 3561077), (25649, 821787), (76947, 273929)]