21226605

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{21121}}^1$

素因数の和:21196

約数の個数: 16

約数和(自身を含む): 34471104

約数和(自身を除く): 13244499

約数列:

[1, 3, 5, 15, 67, 201, 335, 1005, 21121, 63363, 105605, 316815, 1415107, 4245321, 7075535, 21226605]

約数ペア:

[(1, 21226605), (3, 7075535), (5, 4245321), (15, 1415107), (67, 316815), (201, 105605), (335, 63363), (1005, 21121)]