21482565

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2687}}^1$

素因数の和:2749

約数の個数: 32

約数和(自身を含む): 37933056

約数和(自身を除く): 16450491

約数列:

[1, 3, 5, 13, 15, 39, 41, 65, 123, 195, 205, 533, 615, 1599, 2665, 2687, 7995, 8061, 13435, 34931, 40305, 104793, 110167, 174655, 330501, 523965, 550835, 1432171, 1652505, 4296513, 7160855, 21482565]

約数ペア:

[(1, 21482565), (3, 7160855), (5, 4296513), (13, 1652505), (15, 1432171), (39, 550835), (41, 523965), (65, 330501), (123, 174655), (195, 110167), (205, 104793), (533, 40305), (615, 34931), (1599, 13435), (2665, 8061), (2687, 7995)]