21334185

素因数分解:

$3^7\times 5^1\times {\mathrm{1951}}^1$

素因数の和:1977

約数の個数: 32

約数和(自身を含む): 38415360

約数和(自身を除く): 17081175

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 1951, 2187, 3645, 5853, 9755, 10935, 17559, 29265, 52677, 87795, 158031, 263385, 474093, 790155, 1422279, 2370465, 4266837, 7111395, 21334185]

約数ペア:

[(1, 21334185), (3, 7111395), (5, 4266837), (9, 2370465), (15, 1422279), (27, 790155), (45, 474093), (81, 263385), (135, 158031), (243, 87795), (405, 52677), (729, 29265), (1215, 17559), (1951, 10935), (2187, 9755), (3645, 5853)]