21592359

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:332

約数の個数: 32

約数和(自身を含む): 33177600

約数和(自身を除く): 11585241

約数列:

[1, 3, 9, 27, 53, 79, 159, 191, 237, 477, 573, 711, 1431, 1719, 2133, 4187, 5157, 10123, 12561, 15089, 30369, 37683, 45267, 91107, 113049, 135801, 273321, 407403, 799717, 2399151, 7197453, 21592359]

約数ペア:

[(1, 21592359), (3, 7197453), (9, 2399151), (27, 799717), (53, 407403), (79, 273321), (159, 135801), (191, 113049), (237, 91107), (477, 45267), (573, 37683), (711, 30369), (1431, 15089), (1719, 12561), (2133, 10123), (4187, 5157)]