21695661

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{547}}^1$

素因数の和:682

約数の個数: 32

約数和(自身を含む): 34984320

約数和(自身を除く): 13288659

約数列:

[1, 3, 9, 13, 27, 39, 113, 117, 339, 351, 547, 1017, 1469, 1641, 3051, 4407, 4923, 7111, 13221, 14769, 21333, 39663, 61811, 63999, 185433, 191997, 556299, 803543, 1668897, 2410629, 7231887, 21695661]

約数ペア:

[(1, 21695661), (3, 7231887), (9, 2410629), (13, 1668897), (27, 803543), (39, 556299), (113, 191997), (117, 185433), (339, 63999), (351, 61811), (547, 39663), (1017, 21333), (1469, 14769), (1641, 13221), (3051, 7111), (4407, 4923)]