2021023305

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{712883}}^1$

素因数の和:712907

約数の個数: 40

約数和(自身を含む): 4140430272

約数和(自身を除く): 2119406967

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 712883, 2138649, 3564415, 4990181, 6415947, 10693245, 14970543, 19247841, 24950905, 32079735, 44911629, 57743523, 74852715, 96239205, 134734887, 224558145, 288717615, 404204661, 673674435, 2021023305]

約数ペア:

[(1, 2021023305), (3, 673674435), (5, 404204661), (7, 288717615), (9, 224558145), (15, 134734887), (21, 96239205), (27, 74852715), (35, 57743523), (45, 44911629), (63, 32079735), (81, 24950905), (105, 19247841), (135, 14970543), (189, 10693245), (315, 6415947), (405, 4990181), (567, 3564415), (945, 2138649), (2835, 712883)]