21000279795

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127274423}}^1$

素因数の和:127274442

約数の個数: 16

約数和(自身を含む): 36655034112

約数和(自身を除く): 15654754317

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 127274423, 381823269, 636372115, 1400018653, 1909116345, 4200055959, 7000093265, 21000279795]

約数ペア:

[(1, 21000279795), (3, 7000093265), (5, 4200055959), (11, 1909116345), (15, 1400018653), (33, 636372115), (55, 381823269), (165, 127274423)]