21134859

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{1283}}^1$

素因数の和:1339

約数の個数: 24

約数和(自身を含む): 31535040

約数和(自身を除く): 10400181

約数列:

[1, 3, 17, 19, 51, 57, 289, 323, 867, 969, 1283, 3849, 5491, 16473, 21811, 24377, 65433, 73131, 370787, 414409, 1112361, 1243227, 7044953, 21134859]

約数ペア:

[(1, 21134859), (3, 7044953), (17, 1243227), (19, 1112361), (51, 414409), (57, 370787), (289, 73131), (323, 65433), (867, 24377), (969, 21811), (1283, 16473), (3849, 5491)]