21294021

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{44087}}^1$

素因数の和:44120

約数の個数: 16

約数和(自身を含む): 33859584

約数和(自身を除く): 12565563

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 44087, 132261, 308609, 925827, 1014001, 3042003, 7098007, 21294021]

約数ペア:

[(1, 21294021), (3, 7098007), (7, 3042003), (21, 1014001), (23, 925827), (69, 308609), (161, 132261), (483, 44087)]