21326145

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{10853}}^1$

素因数の和:10992

約数の個数: 16

約数和(自身を含む): 34385472

約数和(自身を除く): 13059327

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 10853, 32559, 54265, 162795, 1421743, 4265229, 7108715, 21326145]

約数ペア:

[(1, 21326145), (3, 7108715), (5, 4265229), (15, 1421743), (131, 162795), (393, 54265), (655, 32559), (1965, 10853)]