21347478

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{69763}}^1$

素因数の和:69788

約数の個数: 24

約数和(自身を含む): 48974328

約数和(自身を除く): 27626850

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 69763, 139526, 209289, 418578, 627867, 1185971, 1255734, 2371942, 3557913, 7115826, 10673739, 21347478]

約数ペア:

[(1, 21347478), (2, 10673739), (3, 7115826), (6, 3557913), (9, 2371942), (17, 1255734), (18, 1185971), (34, 627867), (51, 418578), (102, 209289), (153, 139526), (306, 69763)]