21764301

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1931}}^1$

素因数の和:1981

約数の個数: 24

約数和(自身を含む): 33214944

約数和(自身を除く): 11450643

約数列:

[1, 3, 13, 17, 39, 51, 221, 289, 663, 867, 1931, 3757, 5793, 11271, 25103, 32827, 75309, 98481, 426751, 558059, 1280253, 1674177, 7254767, 21764301]

約数ペア:

[(1, 21764301), (3, 7254767), (13, 1674177), (17, 1280253), (39, 558059), (51, 426751), (221, 98481), (289, 75309), (663, 32827), (867, 25103), (1931, 11271), (3757, 5793)]