21636045

素因数分解:

$3^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1153}}^1$

素因数の和:1306

約数の個数: 32

約数和(自身を含む): 38774400

約数和(自身を除く): 17138355

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 139, 417, 695, 1153, 1251, 2085, 3459, 3753, 5765, 6255, 10377, 17295, 18765, 31131, 51885, 155655, 160267, 480801, 801335, 1442403, 2404005, 4327209, 7212015, 21636045]

約数ペア:

[(1, 21636045), (3, 7212015), (5, 4327209), (9, 2404005), (15, 1442403), (27, 801335), (45, 480801), (135, 160267), (139, 155655), (417, 51885), (695, 31131), (1153, 18765), (1251, 17295), (2085, 10377), (3459, 6255), (3753, 5765)]