21795477

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 33022080

約数和(自身を除く): 11226603

約数列:

[1, 3, 11, 33, 41, 89, 123, 181, 267, 451, 543, 979, 1353, 1991, 2937, 3649, 5973, 7421, 10947, 16109, 22263, 40139, 48327, 81631, 120417, 177199, 244893, 531597, 660469, 1981407, 7265159, 21795477]

約数ペア:

[(1, 21795477), (3, 7265159), (11, 1981407), (33, 660469), (41, 531597), (89, 244893), (123, 177199), (181, 120417), (267, 81631), (451, 48327), (543, 40139), (979, 22263), (1353, 16109), (1991, 10947), (2937, 7421), (3649, 5973)]