21302073

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1877}}^1$

素因数の和:1993

約数の個数: 24

約数和(自身を含む): 33496008

約数和(自身を除く): 12193935

約数列:

[1, 3, 9, 13, 39, 97, 117, 291, 873, 1261, 1877, 3783, 5631, 11349, 16893, 24401, 73203, 182069, 219609, 546207, 1638621, 2366897, 7100691, 21302073]

約数ペア:

[(1, 21302073), (3, 7100691), (9, 2366897), (13, 1638621), (39, 546207), (97, 219609), (117, 182069), (291, 73203), (873, 24401), (1261, 16893), (1877, 11349), (3783, 5631)]