21542829

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{521}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 36080640

約数和(自身を除く): 14537811

約数列:

[1, 3, 7, 11, 21, 33, 77, 179, 231, 521, 537, 1253, 1563, 1969, 3647, 3759, 5731, 5907, 10941, 13783, 17193, 40117, 41349, 93259, 120351, 279777, 652813, 1025849, 1958439, 3077547, 7180943, 21542829]

約数ペア:

[(1, 21542829), (3, 7180943), (7, 3077547), (11, 1958439), (21, 1025849), (33, 652813), (77, 279777), (179, 120351), (231, 93259), (521, 41349), (537, 40117), (1253, 17193), (1563, 13783), (1969, 10941), (3647, 5907), (3759, 5731)]