21766545

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{769}}^1$

素因数の和:834

約数の個数: 48

約数和(自身を含む): 41081040

約数和(自身を除く): 19314495

約数列:

[1, 3, 5, 9, 15, 17, 37, 45, 51, 85, 111, 153, 185, 255, 333, 555, 629, 765, 769, 1665, 1887, 2307, 3145, 3845, 5661, 6921, 9435, 11535, 13073, 28305, 28453, 34605, 39219, 65365, 85359, 117657, 142265, 196095, 256077, 426795, 483701, 588285, 1280385, 1451103, 2418505, 4353309, 7255515, 21766545]

約数ペア:

[(1, 21766545), (3, 7255515), (5, 4353309), (9, 2418505), (15, 1451103), (17, 1280385), (37, 588285), (45, 483701), (51, 426795), (85, 256077), (111, 196095), (153, 142265), (185, 117657), (255, 85359), (333, 65365), (555, 39219), (629, 34605), (765, 28453), (769, 28305), (1665, 13073), (1887, 11535), (2307, 9435), (3145, 6921), (3845, 5661)]